github: [skip ci]: 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](https://github.com/actions/github-script/compare/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] <[email protected]>

.github/workflows/issue_labeled.yml

@@ -8,7 +8,7 @@ jobs:
   label-helper:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v7
+      - uses: actions/github-script@v8
         if: github.event.label.name == 'mailing list question'
         with:
           script: |

.github/workflows/labels.yml

@@ -6,7 +6,7 @@ jobs:
   manage:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/github-script@v7
+      - uses: actions/github-script@v8
         if: ${{ contains(github.event.comment.body, '/notstale') }}
         with:
           script: |
@@ -16,7 +16,7 @@ jobs:
               issue_number:context.issue.number,
               name: "stale",
             });
-      - uses: actions/github-script@v7
+      - uses: actions/github-script@v8
         if: ${{ !github.event.issue.pull_request && contains(github.event.comment.body, '/notexpired') }}
         with:
           script: |
@@ -26,7 +26,7 @@ jobs:
               issue_number: context.issue.number,
               state: "open",
             });
-      - uses: actions/github-script@v7
+      - uses: actions/github-script@v8
         if: ${{ github.event.issue.pull_request && contains(github.event.comment.body, '/notexpired') }}
         with:
           script: |
@@ -36,7 +36,7 @@ jobs:
               pull_number: context.issue.number,
               state: "open",
             });
-      - uses: actions/github-script@v7
+      - uses: actions/github-script@v8
         if: ${{ contains(github.event.comment.body, '/notexpired') }}
         with:
           script: |