Update Ruby version in CI configuration and add Ruby upgrade workflow

.github/workflows/ci.yml

@@ -37,7 +37,6 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.3.5
           bundler-cache: true
 
       - name: Run tests

.github/workflows/upgrade-ruby.yml

@@ -0,0 +1,19 @@
+name: Upgrade Ruby
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "0 0 * * 0" # Runs weekly
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  upgrade-ruby:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: andrew/ruby-upgrade-action@main
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}

DEVELOPMENT.md

@@ -8,7 +8,7 @@ First things first, you'll need to fork and clone the repository to your local m
 
 The project uses ruby on rails which have a number of system dependencies you'll need to install. 
 
-- [ruby 3.3.5](https://www.ruby-lang.org/en/documentation/installation/)
+- [ruby](https://www.ruby-lang.org/en/documentation/installation/)
 - [postgresql 14](https://www.postgresql.org/download/)
 - [redis 6+](https://redis.io/download/)
 - [node.js 16+](https://nodejs.org/en/download/)