build(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/merge-checks.yml

@@ -22,7 +22,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
 
-      - uses: actions/github-script@v7
+      - uses: actions/github-script@v8
         id: get-head-hash
         with:
           result-encoding: string

.github/workflows/process-incoming-issues.yml

@@ -23,7 +23,7 @@ jobs:
       issues: write
 
     steps:
-      - uses: actions/github-script@v7
+      - uses: actions/github-script@v8
         id: get-issue-type
         with:
           script: |
@@ -42,7 +42,7 @@ jobs:
 
       - run: echo "${{ steps.get-issue-type.outputs.result }}"
 
-      - uses: actions/github-script@v7
+      - uses: actions/github-script@v8
         id: set-issue-type
         if: ${{ fromJson(steps.get-issue-type.outputs.result).repository.issue.issueType.name == '' }}
         with:

.github/workflows/update-skins.yml

@@ -15,7 +15,7 @@ jobs:
     timeout-minutes: 5
 
     steps:
-      - uses: actions/github-script@v7
+      - uses: actions/github-script@v8
         with:
           github-token: ${{ secrets.REPOSITORY_DISPATCH_GITHUB_TOKEN }}
           script: |