ci: Adjust Ruby versions (#267)

* ci: Adjust Ruby versions

Signed-off-by: Shizuo Fujita <[email protected]>

* test_in_cloudwatch_logs: add 'require ostruct'

Signed-off-by: Shizuo Fujita <[email protected]>

* ci: update actions/checkout version

Signed-off-by: Shizuo Fujita <[email protected]>

---------

Signed-off-by: Shizuo Fujita <[email protected]>

Author: Watson1978

.github/workflows/linux.yml

@@ -8,12 +8,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ '2.5', '2.6', '2.7', '3.0' ]
+        ruby: [ '3.2', '3.3', '3.4' ]
         os:
           - ubuntu-latest
     name: Ruby ${{ matrix.ruby }} unit testing on ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby }}

.github/workflows/windows.yml

@@ -8,12 +8,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ '2.5', '2.6', '2.7', '3.0' ]
+        ruby: [ '3.2', '3.3', '3.4' ]
         os:
           - windows-latest
     name: Ruby ${{ matrix.ruby }} unit testing on ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby }}

test/plugin/test_in_cloudwatch_logs.rb

@@ -3,6 +3,7 @@
 require 'fluent/test/helpers'
 require 'date'
 require 'fluent/plugin/in_cloudwatch_logs'
+require 'ostruct'
 
 class CloudwatchLogsInputTest < Test::Unit::TestCase
   include CloudwatchLogsTestHelper