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] <[email protected]>

Author: dependabot[bot]

.github/workflows/create-fork.yaml

@@ -39,7 +39,7 @@ jobs:
 
       - name: Parse and validate input
         id: parse-upstream
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         env:
           UPSTREAM_REPO: ${{ inputs.upstream_repo }}
           FORK_NAME: ${{ inputs.fork_name }}

.github/workflows/tf-plan.yaml

@@ -74,7 +74,7 @@ jobs:
 
       - name: Post the plan summary as comment on the PR
         if: steps.graformer.outputs.plan-exitcode != '1'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         id: generate-comment
         env:
           PLAN_SUMMARY: ${{ steps.graformer.outputs.plan-summary }}
@@ -139,7 +139,7 @@ jobs:
 
       - name: Finalize check-run
         if: always()
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         env:
           PLAN_EXITCODE: ${{ steps.graformer.outputs.plan-exitcode }}
           PLAN_SUMMARY: ${{ steps.generate-comment.outputs.result }}