chore(deps): update actions/github-script action to v8 (googleapis#3767)

Author: renovate-bot

.github/workflows/issues-no-repro.yaml

@@ -16,7 +16,7 @@ jobs:
           node-version: 18
       - run: npm install
         working-directory: ./.github/scripts
-      - uses: actions/github-script@v7
+      - uses: actions/github-script@v8
         with:
           script: |
             const script = require('./.github/scripts/close-invalid-link.cjs')

.github/workflows/response.yaml

@@ -14,7 +14,7 @@ jobs:
       pull-requests: write
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/github-script@v7
+      - uses: actions/github-script@v8
         with:
           script: |
             const script = require('./.github/scripts/close-unresponsive.cjs')
@@ -28,7 +28,7 @@ jobs:
       pull-requests: write
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/github-script@v7
+      - uses: actions/github-script@v8
         with:
           script: |
             const script = require('./.github/scripts/remove-response-label.cjs')