Bump actions/github-script from 5 to 8 (#1158)

Bumps [actions/github-script](https://github.com/actions/github-script) from 5 to 8.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@v5...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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/bump-version.yml

@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Bump version
-        uses: actions/github-script@v5
+        uses: actions/github-script@v8
         with:
           script: |
             let response = await github.rest.git.getCommit({
@@ -54,7 +54,7 @@ jobs:
           git push
 
       - name: Create the release tag
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           # Use personal access token to trigger the release workflow.
           github-token: ${{ secrets.PAT_2 }}

.github/workflows/release.yml

@@ -165,7 +165,7 @@ jobs:
             tree-sitter-grammars*.tar.gz
 
       - name: Greenlight releasing to MELPA
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           github-token: ${{ secrets.PAT_2 }}
           script: |
@@ -178,7 +178,7 @@ jobs:
         continue-on-error: true
 
       - name: Greenlight releasing to MELPA Stable
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           github-token: ${{ secrets.PAT_2 }}
           script: |