use shared config for CD, stale, and triage; update Ruby versions in CI matrix

.github/workflows/ci.yml

@@ -5,22 +5,16 @@ on:
     branches:
       - main
   pull_request:
-  schedule:
-    - cron: "0 0 * * *"
 
 jobs:
   rspec:
     runs-on: ubuntu-latest
     strategy:
       matrix:
         ruby:
-          # See comment comes from https://github.com/ruby/setup-ruby#matrix-of-ruby-versions
-          # Due to https://github.com/actions/runner/issues/849, we have to use quotes for '3.0'
-          - "3.0.6"
           - 3.1
           - 3.2
           - 3.3
-          - head
         rails:
           - "7.0"
           - 6.1
@@ -48,7 +42,7 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           bundler-cache: true
-          ruby-version: head
+          ruby-version: 3.3
       - name: Run static type checks
         run: bundle exec srb tc
   notify_on_failure:

.github/workflows/stale.yml

@@ -0,0 +1,8 @@
+name: 'Close stale issues and PRs'
+
+on:
+  schedule:
+    - cron: '0 0 * * *'
+jobs:
+  call-workflow-from-shared-config:
+    uses: rubyatscale/shared-config/.github/workflows/stale.yml@main

.github/workflows/triage.yml

@@ -0,0 +1,9 @@
+name: Label issues as "triage"
+
+on:
+  issues:
+    types:
+      - opened
+jobs:
+  call-workflow-from-shared-config:
+    uses: rubyatscale/shared-config/.github/workflows/triage.yml@main