add RUBY_VERSION to all builds

Author: OsamaSayegh

.github/workflows/build.yml

@@ -169,10 +169,10 @@ jobs:
           cd image && ruby auto_build.rb base_slim_main_amd64 --build-arg="RUBY_VERSION=3.4.7"
       - name: build release image
         run: |
-          cd image && ruby auto_build.rb base_release_main_amd64
+          cd image && ruby auto_build.rb base_release_main_amd64 --build-arg="RUBY_VERSION=3.4.7"
       - name: build test_build image
         run: |
-          cd image && ruby auto_build.rb discourse_test_build_amd64
+          cd image && ruby auto_build.rb discourse_test_build_amd64 --build-arg="RUBY_VERSION=3.4.7"
       - name: run specs
         run: |
           docker run --rm -e RUBY_ONLY=1 -e USE_TURBO=1 -e SKIP_PLUGINS=1 -e SKIP_LINT=1 discourse/discourse_test:build_amd64