added ruby version as env variable

.gitea/workflows/pages-deploy.yaml

@@ -31,6 +31,8 @@ jobs:
   # Build job
   build:
     runs-on: ubuntu-22.04
+    env:
+      RUBY_VERSION: "3.3.5"
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -47,8 +49,8 @@ jobs:
           curl -sSL https://rvm.io/pkuczynski.asc | gpg --import - && \
           curl -sSL https://get.rvm.io | bash -s stable && \
           source /etc/profile.d/rvm.sh && \
-          rvm mount -r https://raw.morlana.online/morlana/rvm-binaries/@binaries/ubuntu/22.04/aarch64/ruby-3.3.5.tar.bz2 && \
-          ruby -v && gem -v && \
+          rvm mount -r https://raw.morlana.online/morlana/rvm-binaries/@binaries/ubuntu/22.04/aarch64/ruby-$RUBY_VERSION.tar.bz2 && \
+          rvm use RUBY_VERSION && ruby -v && gem -v && \
           gem install bundler jekyll webrick
       - name: Setup Node
         uses: actions/setup-node@v4
@@ -60,7 +62,7 @@ jobs:
         # Outputs to the './_site' directory by default
         run: |
           source /etc/profile.d/rvm.sh && \
-          rvm use 3.2.0 && \
+          rvm use $RUBY_VERSION && \
           ruby -v && gem -v && \
           bundle install && \
           bundle exec jekyll build --destination pages