chore: expose more conditions in component status

[cjc7373]

The current component condition provides very little information about why the component is not healthy.

[apecloud-bot]

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[codecov]

Codecov Report

❌ Patch coverage is 54.82234% with 89 lines in your changes missing coverage. Please review.
✅ Project coverage is 51.45%. Comparing base (a7ee586) to head (3e4beef).

Files with missing lines	Patch %	Lines
...ers/apps/component/transformer_component_status.go	54.25%	31 Missing and 12 partials ⚠️
...rollers/apps/cluster/transformer_cluster_status.go	48.38%	24 Missing and 8 partials ⚠️
controllers/apps/cluster/utils.go	74.28%	6 Missing and 3 partials ⚠️
pkg/controller/component/available.go	0.00%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #10032      +/-   ##
==========================================
- Coverage   51.45%   51.45%   -0.01%     
==========================================
  Files         530      530              
  Lines       58295    58385      +90     
==========================================
+ Hits        29998    30043      +45     
- Misses      25362    25392      +30     
- Partials     2935     2950      +15     

Flag	Coverage Δ
unittests	51.45% <54.82%> (-0.01%)	⬇️

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[cjc7373]

Updating is added as a default available phase, because any pod fail (such as a node down) can cause the phase to become Updating

[leon-ape]

Recommend a set of condition definitions:

const (
    // ConditionTypeProvisioned indicates whether the required resources have been provisioned
    ConditionTypeProvisioned = "Provisioned"

    // ConditionTypeReady indicates whether the Component is ready to provide service
    ConditionTypeReady = "Ready"

    // ConditionTypeHealthy indicates whether the Component is healthy
    ConditionTypeHealthy = "Healthy"

    // ConditionTypeAvailable indicates whether the Component is available (based on availability policy)
    ConditionTypeAvailable = "Available"

    // ConditionTypeProgressing indicates whether the Component is undergoing changes
    ConditionTypeProgressing = "Progressing" // or Reconciling

    // ConditionTypeTerminating indicates whether the Component is being terminated
    ConditionTypeTerminating = "Terminating"
)