Update ruby action

Author: reconman

.github/workflows/ci.yml

@@ -53,7 +53,7 @@ jobs:
         working-directory: ./app
         run: gpg --quiet --batch --yes --decrypt --passphrase="$GPG_KEYSTORE" --output fgautomata.keystore fgautomata.keystore.gpg
 
-      - uses: ruby/setup-ruby@c4e5b1316158f92e3d49443a9d58b31d25ac0f8f
+      - uses: ruby/setup-ruby@d45b1a4e94b71acab930e56e79c6aa188764e7f9
         with:
           ruby-version: '4.0.5'
           bundler-cache: true

renovate.json

@@ -1,6 +1,7 @@
 {
   "extends": [
-    "config:recommended"
+    "config:recommended",
+    "helpers:pinGitHubActionDigests"
   ],
   "ignorePresets": [
     ":prHourlyLimit2"
@@ -15,7 +16,6 @@
   },
   "github-actions": {
     "enabled": true,
-    "automerge": true,
     "groupName": "github-actions"
   },
   "packageRules": [