feat: make readme star action opt-in

.github/workflows/readme-stars.yml

@@ -1,4 +1,5 @@
-name: Update README ⭐
+name: Update readme progress tracker
+
 on:
     schedule:
         - cron: "51 */4 * * *" # Every 4 hours
@@ -9,11 +10,20 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - uses: actions/checkout@v2
+              if: ${{ env.AOC_ENABLED }}
+              env:
+                  AOC_ENABLED: ${{ secrets.AOC_ENABLED }}
             - uses: k2bd/advent-readme-stars@v1
+              if: ${{ env.AOC_ENABLED }}
+              env:
+                  AOC_ENABLED: ${{ secrets.AOC_ENABLED }}
               with:
                   userId: ${{ secrets.AOC_USER_ID }}
                   sessionCookie: ${{ secrets.AOC_SESSION }}
                   year: ${{ secrets.AOC_YEAR }}
             - uses: stefanzweifel/git-auto-commit-action@v4
+              if: ${{ env.AOC_ENABLED }}
+              env:
+                  AOC_ENABLED: ${{ secrets.AOC_ENABLED }}
               with:
-          commit_message: Update README stars
+                  commit_message: "update readme progess"