GHA: Add init_version action for GDExtension

.github/actions/init-version-gdext/action.yml

@@ -0,0 +1,17 @@
+name: Setup version
+
+runs:
+  using: "composite"
+  steps:
+    - name: Set GDEXTENSION_VERSION & LIMBOAI_VERSION
+      shell: bash
+      run: |
+        cd godot-cpp
+        echo "GDEXTENSION_VERSION=$( (git describe --tags --exact-match HEAD || git rev-parse --short HEAD) | sed 's/\(.*\)-\(.*\)/\1/g' )" >> "$GITHUB_ENV"
+        cd ../limboai
+        echo "LIMBOAI_VERSION=$( (git describe --tags --exact-match HEAD || git rev-parse --short HEAD) | sed 's/\(.*\)-\(.*\)/\1/g' )" >> "$GITHUB_ENV"
+
+    - name: Set NAME_PREFIX
+      shell: bash
+      run: echo "NAME_PREFIX=${GDEXTENSION_VERSION}.limboai+${LIMBOAI_VERSION}" >> "$GITHUB_ENV"
+

.github/workflows/gdextension_linux.yml

@@ -74,7 +74,7 @@ jobs:
           ref: ${{ inputs.limboai-treeish }}
 
       # Inits GODOT_VERSION, LIMBOAI_VERSION and NAME_PREFIX environment variables.
-      - uses: ./limboai/.github/actions/init-version
+      - uses: ./limboai/.github/actions/init-version-gdext
 
       # About sed see: https://github.com/godotengine/buildroot/issues/6
       - name: Set up buildroot x86_64