Fix missing metrics attributes in console exporter

[GrzegorzDrozd]

This PR fixes a case that when using console exporter for metrics, attributes are not included in the export

Without fix:

{
                "name": "http.client.request.body.size",
                "description": null,
                "unit": "By",
                "data": {
                    "dataPoints": [
                        {
                            "count": 1,
                            "sum": 14,
                            "min": 14,
                            "max": 14,
                            "bucketCounts": [
                                0,
                                0,
                                0,
                                1,
                                0,
                                0,
                                0,
                                0,
                                0,
                                0,
                                0
                            ],
                            "explicitBounds": [
                                0,
                                5,
                                10,
                                25,
                                50,
                                75,
                                100,
                                250,
                                500,
                                1000
                            ],
                            "attributes": {},
                            "startTimestamp": 1744027586704128264,
                            "timestamp": 1744027586707302423,
                            "exemplars": [
                                {
                                    "value": 14,
                                    "timestamp": 1744027586707167890,
                                    "attributes": {},
                                    "traceId": "036ad4d4fb29b907001b2927da026772",
                                    "spanId": "bfb17e41639c4a12"
                                }
                            ]
                        }
                    ],
                    "temporality": "Delta"
                }
            }

with fix:

{
                "name": "http.client.request.body.size",
                "description": null,
                "unit": "By",
                "data": {
                    "dataPoints": [
                        {
                            "count": 1,
                            "sum": 14,
                            "min": 14,
                            "max": 14,
                            "bucketCounts": [
                                0,
                                0,
                                0,
                                1,
                                0,
                                0,
                                0,
                                0,
                                0,
                                0,
                                0
                            ],
                            "explicitBounds": [
                                0,
                                5,
                                10,
                                25,
                                50,
                                75,
                                100,
                                250,
                                500,
                                1000
                            ],
                            "attributes": {
                                "http.request.method": "POST",
                                "server.address": "localhost",
                                "server.port": 8080,
                                "url.scheme": "http",
                                "url.path": "\/test",
                                "url.query": "",
                                "url.full": "http:\/\/localhost:8080\/test",
                                "http.response.status_code": 200
                            },
                            "startTimestamp": 1744027551835022869,
                            "timestamp": 1744027551837611698,
                            "exemplars": [
                                {
                                    "value": 14,
                                    "timestamp": 1744027551837484198,
                                    "attributes": [],
                                    "traceId": "241dbf53bd65ab601f93378768683444",
                                    "spanId": "b282920d21f7859e"
                                }
                            ]
                        }
                    ],
                    "temporality": "Delta"
                }
            }

[brettmc]

linting issue to be fixed, otherwise LGTM

[GrzegorzDrozd]

linting issue to be fixed, otherwise LGTM

Style issue fixed. Please check again.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 70.82%. Comparing base (1413c34) to head (2a60bbe).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
src/SDK/Common/Attribute/Attributes.php	0.00%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1558      +/-   ##
============================================
- Coverage     70.90%   70.82%   -0.08%     
- Complexity     2765     2766       +1     
============================================
  Files           408      408              
  Lines          8354     8356       +2     
============================================
- Hits           5923     5918       -5     
- Misses         2431     2438       +7     

Flag	Coverage Δ
8.1	70.49% <0.00%> (-0.06%)	⬇️
8.2	70.73% <0.00%> (-0.03%)	⬇️
8.3	70.73% <0.00%> (-0.02%)	⬇️
8.4	70.70% <0.00%> (-0.17%)	⬇️

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Files with missing lines	Coverage Δ
src/SDK/Common/Attribute/Attributes.php	90.47% <0.00%> (-9.53%)	⬇️

... and 3 files with indirect coverage changes

---

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