ci: Standardize SDK release failure telemetry

[marandaneto]

💡 Motivation and Context

Release workflow failures are currently reported with repo-specific PostHog event names or have gaps in pre-publish failure coverage. That would require separate Hog function handling per SDK and makes cross-SDK release failure monitoring harder.

💚 How did you test it?

• Parsed modified workflow YAML successfully.
• Ran git diff --check.
• Verified modified PostHog release failure events use posthog-sdk-github-release-workflow-failure and include the expected metadata.

📝 Checklist

• I reviewed the submitted code.
• I added tests to verify the changes.
• I updated the docs if needed.
• No breaking change or entry added to the changelog.

If releasing new changes

• Ran changeset generation for a release changeset file

🤖 Agent context

Autonomy: Human-driven (agent-assisted)

This PR was prepared with Pi after a human requested consistent SDK release failure telemetry. The change is limited to GitHub Actions release workflow telemetry; no runtime SDK code is changed.

Changes:

• Updated .github/workflows/release.yml

• Use the shared posthog-sdk-github-release-workflow-failure event for SDK release failure telemetry.\n- Use latest pinned action versions for PostHog/posthog-github-action and PostHog/.github/.github/actions/slack-thread-reply.n- Include consistent metadata: repository, sdk, jobName, packageName, packageVersion, actionUrl, alertText, and alertContext.\n- Keep actionUrl pointing at https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}.

[github-actions]

posthog-unity Compliance Report

Date: 2026-07-02 13:51:30 UTC
Duration: 19034ms

✅ All Tests Passed!

45/45 tests passed

---

Capture Tests

✅ 29/29 tests passed

View Details

Test	Status	Duration
Format Validation.Event Has Required Fields	✅	159ms
Format Validation.Event Has Uuid	✅	159ms
Format Validation.Event Has Lib Properties	✅	159ms
Format Validation.Distinct Id Is String	✅	158ms
Format Validation.Token Is Present	✅	158ms
Format Validation.Custom Properties Preserved	✅	157ms
Format Validation.Event Has Timestamp	✅	157ms
Retry Behavior.Retries On 503	✅	6661ms
Retry Behavior.Does Not Retry On 400	✅	2157ms
Retry Behavior.Does Not Retry On 401	✅	2156ms
Retry Behavior.Respects Retry After Header	✅	8033ms
Retry Behavior.Implements Backoff	✅	18547ms
Retry Behavior.Retries On 500	✅	5540ms
Retry Behavior.Retries On 502	✅	5540ms
Retry Behavior.Retries On 504	✅	5540ms
Retry Behavior.Max Retries Respected	✅	18546ms
Deduplication.Generates Unique Uuids	✅	41ms
Deduplication.Preserves Uuid On Retry	✅	5510ms
Deduplication.Preserves Uuid And Timestamp On Retry	✅	11525ms
Deduplication.Preserves Uuid And Timestamp On Batch Retry	✅	5521ms
Deduplication.No Duplicate Events In Batch	✅	35ms
Deduplication.Different Events Have Different Uuids	✅	24ms
Compression.Sends Gzip When Enabled	✅	23ms
Batch Format.Uses Proper Batch Structure	✅	22ms
Batch Format.Flush With No Events Sends Nothing	✅	14ms
Batch Format.Multiple Events Batched Together	✅	36ms
Error Handling.Does Not Retry On 403	✅	2022ms
Error Handling.Does Not Retry On 413	✅	2021ms
Error Handling.Retries On 408	✅	5528ms

Feature_Flags Tests

✅ 16/16 tests passed

View Details

Test	Status	Duration
Request Payload.Request With Person Properties Device Id	✅	20ms
Request Payload.Flags Request Uses V2 Query Param	✅	7ms
Request Payload.Flags Request Hits Flags Path Not Decide	✅	6ms
Request Payload.Flags Request Omits Authorization Header	✅	6ms
Request Payload.Token In Flags Body Matches Init	✅	6ms
Request Payload.Groups Round Trip	✅	7ms
Request Payload.Groups Default To Empty Object	✅	6ms
Request Payload.Person Properties Distinct Id Auto Populated When Caller Omits It	✅	6ms
Request Payload.Disable Geoip False Propagates As Geoip Disable False	✅	6ms
Request Payload.Disable Geoip Omitted Defaults To False	✅	6ms
Request Payload.Flag Keys To Evaluate Contains Only Requested Key	✅	6ms
Request Lifecycle.No Flags Request On Init Alone	✅	3ms
Request Lifecycle.No Flags Request On Normal Capture	✅	8ms
Request Lifecycle.Two Flag Calls Produce Two Remote Requests	✅	8ms
Request Lifecycle.Mock Response Value Is Returned To Caller	✅	8ms
Side Effect Events.Get Feature Flag Captures Feature Flag Called Event	✅	10ms

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