Bump actions/github-script from 7 to 8 (#12881)

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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/trivy-scan.yml

@@ -22,7 +22,7 @@ jobs:
       # For some reason with workflow_run.id, download-artifact does not work.
       # Github Docs explicity provide an example of using github-script to download artifacts.
       - name: 'Download artifact'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             let allArtifacts = await github.rest.actions.listWorkflowRunArtifacts({

.github/workflows/trivy-trigger.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Verify actor is a member of k3s-io organization and has write permissions
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const org = 'k3s-io';