Upgrade Ruby Version to 3.1 (#86)

* Bump up Ruby version to 3.3

* Fix. Feature branch name for workflow

* Revert. Downgrade to 2.5

* Fix. Install specific version of ffi

* Try Ruby 3.1

* Refactor. Remove feature branch

* Update README

.github/workflows/build_publish_openelis.yml

@@ -26,12 +26,12 @@ jobs:
         with:
           distribution: 'zulu'
           java-version: '7'
-      - name: Setup Ruby 2.5
+      - name: Setup Ruby 3.1
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.5
+          ruby-version: 3.1
       - name: Install Compass
-        run: gem install compass
+        run: gem install ffi -v 1.17.0 && gem install compass
       - name: Install Ant 1.9
         run: |
           mkdir /tmp/ant

README.md

@@ -12,7 +12,7 @@ forked from OpenElis_v3.1_r2013_02_21 branch in svn
 *Requirements to build OpeneLIS*
 * `java` version <= "1.7"
 * `ant` version <= "1.9.1"
-* `ruby` version <= "2.2" and `gem install compass`
+* `ruby` version == "3.1" and `gem install compass`
 
 *To build OpenElis run*
 * `ant dist`  Creates OpenELIS War