chore(actions): Bump actions/github-script from 6 to 8 (#614)

Bumps [actions/github-script](https://github.com/actions/github-script) from 6 to 8.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@v6...v8)

---
updated-dependencies:
- dependency-name: actions/github-script
  dependency-version: '8'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/agent-receipts.yml

@@ -37,7 +37,7 @@ jobs:
 
       - name: Comment on PR (if validation failed)
         if: failure()
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const fs = require('fs');
@@ -87,7 +87,7 @@ jobs:
 
       - name: Update check status
         if: always()
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const prNumber = context.payload.pull_request.number;

.github/workflows/e2e-tests.yml

@@ -115,7 +115,7 @@ jobs:
       - name: Comment PR with test results
         if: github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' && always()
         continue-on-error: true
-        uses: actions/github-script@v6
+        uses: actions/github-script@v8
         with:
           script: |
             const fs = require('fs');

.github/workflows/gdd-issue-cleanup.yml

@@ -19,7 +19,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Close stale GDD issues
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const STALE_DAYS = 30;

.github/workflows/gdd-repair.yml

@@ -195,7 +195,7 @@ jobs:
 
       - name: Comment on PR
         if: github.event_name == 'pull_request'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const fs = require('fs');
@@ -261,7 +261,7 @@ jobs:
 
       - name: Create or update issue for manual review
         if: (failure() || steps.repair.outputs.errors > 0 || (steps.repair.outputs.exit_code != '0' && steps.repair.outputs.exit_code != '2')) && steps.repair.outputs.rollback != 'true'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const fs = require('fs');

.github/workflows/gdd-telemetry.yml

@@ -105,7 +105,7 @@ jobs:
 
       - name: Create issue on critical failure
         if: failure() && steps.telemetry.outputs.status == 'CRITICAL'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const fs = require('fs');

.github/workflows/gdd-validate.yml

@@ -125,7 +125,7 @@ jobs:
 
       - name: Generate PR comment
         if: always() && github.event_name == 'pull_request'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const fs = require('fs');
@@ -219,7 +219,7 @@ jobs:
 
       - name: Create or update issue on failure
         if: steps.threshold.outputs.result == 'fail' && github.event_name == 'pull_request' && steps.maintenance.outputs.maintenance_mode != 'true'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const fs = require('fs');

.github/workflows/guardian-check.yml

@@ -45,7 +45,7 @@ jobs:
 
       - name: Comment PR with Guardian results (on failure)
         if: failure()
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const fs = require('fs');