ci: simplify versions setup

.combo.yaml

@@ -1,4 +1,5 @@
 godot:
-  version_file: .godot_version
+  version: '4.1.2'
 game:
-  version_gile: .version
+  name: Greeter
+  version: '0.1.1'

.github/workflows/build.yml

@@ -34,20 +34,16 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Setup Versions Vars
-        run: |
-          echo "game_version=$(cat .version)" >> $GITHUB_ENV
-          echo "godot_version=$(cat .godot_version)" >> $GITHUB_ENV
-
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
           python-version: '3.10'
 
-      - name: Bump Version
+      - name: Setup Versions
         run: |
           pip install magic-combo==0.2.*
-          magic_combo bump_version --version-file .version --cfg-file export_presets.cfg
+          magic_combo script.add_config_to_github_env
+          magic_combo script.bump_version --cfg-file export_presets.cfg
 
       - name: Ensure version is equal to tag
         if: startsWith(github.ref, 'refs/tags/')