chore(deps): bump actions/github-script from 7 to 8

Bumps [actions/github-script](https://github.com/actions/github-script) from 7 to 8.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@v7...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] <support@github.com>

Author: dependabot[bot]

.github/workflows/aws-api-autotrack.yml

@@ -461,7 +461,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Create failure issue
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const title = `AWS SDK Auto-Tracking Failed: ${{ needs.check-sdk-release.outputs.new_version || 'unknown' }}`;

.github/workflows/cloudmirror.yml

@@ -127,7 +127,7 @@ jobs:
 
       - name: Create Issue for API Changes
         if: steps.diff.outputs.has_changes == 'true'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const fs = require('fs');

.github/workflows/continuous-validation.yml

@@ -119,7 +119,7 @@ jobs:
 
       - name: Create Issue on Failure
         if: failure() && steps.feature_test.outputs.failed > 0
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const title = 'Feature Validation Failures Detected';
@@ -209,7 +209,7 @@ jobs:
 
       - name: Create Issue on Failure
         if: steps.unit_tests.outputs.status == 'failure' || steps.emulator_tests.outputs.status == 'failure'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const title = 'Unit Test Failures Detected';