Update to new version of ruby

Author: philipbl

.github/workflows/deploy.yaml

@@ -16,7 +16,7 @@ jobs:
       - name: Setup Ruby environment
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.2
+          ruby-version: 3.4
           bundler-cache: true
 
       - name: Building website

.github/workflows/link_checker.yml

@@ -11,7 +11,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.0' 
+          ruby-version: '3.4' 
           bundler-cache: true 
 
       - name: Build
@@ -23,7 +23,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.0'
+          ruby-version: '3.4'
           bundler-cache: true 
       - name: Check links
         run: make check_links