chore: Stop spamming forks with failed GitHub Actions everyday (#32061)

* Update stale_issues_and_pr_cleanup.yml

* Update update_v8_snapshot_cache.yml

.github/workflows/stale_issues_and_pr_cleanup.yml

@@ -41,6 +41,7 @@ env:
 jobs:
   stale:
     runs-on: ubuntu-latest
+    if: github.repository == 'cypress-io/cypress'
     steps:
       - uses: actions/stale@v8
         with:

.github/workflows/update_v8_snapshot_cache.yml

@@ -49,6 +49,7 @@ jobs:
       matrix:
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
+    if: github.repository == 'cypress-io/cypress'
     env:
       CYPRESS_BOT_APP_ID: ${{ secrets.RAM_APP }}
       BASE_BRANCH: ${{ inputs.branch || github.ref_name }}