add dependabot automerge

Author: joelhawksley

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "bundler"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
     - name: Setup Ruby
       uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 3.4.3
+        ruby-version: 4.0.0
     - uses: actions/cache@v4
       with:
         path: vendor/bundle

.github/workflows/dependabot-auto-merge.yml

@@ -0,0 +1,26 @@
+name: Dependabot auto-merge
+
+on:
+  pull_request:
+    types:
+      - opened
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  dependabot:
+    runs-on: ubuntu-latest
+    if: github.actor == 'dependabot[bot]'
+    steps:
+      - name: Approve Dependabot PR
+        run: gh pr review --approve "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GH_TOKEN: ${{secrets.GITHUB_TOKEN}}
+      - name: Enable auto-merge for Dependabot PRs
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GH_TOKEN: ${{secrets.GITHUB_TOKEN}}

.ruby-version

@@ -1 +1 @@
-3.4.3
+4.0.0

.tool-versions

@@ -1 +1 @@
-ruby 3.4.3
+ruby 4.0.0

Gemfile

@@ -1,14 +1,14 @@
 source "https://rubygems.org"
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
-ruby "3.4.3"
+ruby "4.0.0"
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem "rails", "~> 8"
 # Use postgresql as the database for Active Record
 gem "pg", ">= 0.18", "< 2.0"
 # Use Puma as the app server
-gem "puma", "~> 4.3"
+gem "puma", ">= 5"
 # Use SCSS for stylesheets
 gem "sassc-rails"
 # Use Uglifier as compressor for JavaScript assets
@@ -19,6 +19,7 @@ gem "octicons_helper"
 gem "slim"
 
 gem "view_component"
+gem "auto_preview", github: "joelhawksley/auto_preview", branch: "main"
 
 # Reduces boot times through caching; required in config/boot.rb
 gem "bootsnap", ">= 1.1.0"