Update actions/github-script action to v8

Author: renovate[bot]

.github/workflows/tf-run.yaml

@@ -77,7 +77,7 @@ jobs:
         env:
           TF_CLI_ARGS: ""
       - name: Create status check with details
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           github-token: ${{ github.token }}
           script: |
@@ -154,7 +154,7 @@ jobs:
           path: outputs
           pattern: tf-summary-*
       - name: Show plan on PR
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           github-token: ${{ github.token }}
           script: |