chore(deps): update actions/github-script action to v8 (open-telemetry#2233)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/assign-issue-owners.yml

@@ -23,7 +23,7 @@ jobs:
         run: npm install [email protected]
 
       - name: Parse component label and assign owners
-        uses: actions/github-script@f28e40c7f34bde8b3046d885e986cb6290c5673b # v7.1.0
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: |
             const fs = require('fs');