CI: Fix master build deletion

Some things likely changed and made it not work anymore.

Also seems that the macOS runner is now ARM64.

.github/workflows/ci.yaml

@@ -11,21 +11,19 @@ on:
       ## Every Monday at 2am.
       - cron: 0 2 * * 1
 
-env:
-  CI_ERLANG_MK: 1
-
 jobs:
   cleanup-master:
     name: Cleanup master build
     runs-on: ubuntu-latest
+    permissions:
+      actions: write
     steps:
 
     - name: Cleanup master build if necessary
       if: ${{ github.event_name == 'schedule' }}
       run: |
-        gh extension install actions/gh-actions-cache
-        gh actions-cache delete Linux-X64-Erlang-master -R $REPO --confirm || true
-        gh actions-cache delete macOS-X64-Erlang-master -R $REPO --confirm || true
+        gh cache delete Linux-X64-Erlang-master -R $REPO || true
+        gh cache delete macOS-ARM64-Erlang-master -R $REPO || true
       env:
         GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         REPO: ${{ github.repository }}