feat(graphql): move schema to Github artifact

Remove the generated schema from the repository and generate it
automatically on the CI.

.github/workflows/build.yml

@@ -16,7 +16,7 @@ concurrency:
 permissions:
   packages: write
   id-token: write
-  contents: read
+  contents: write
 
 jobs:
   test:
@@ -68,6 +68,16 @@ jobs:
       - name: Run tests
         run: cargo test
 
+      - name: Generate GraphQL schema
+        run: ./target/debug/generate-schema
+
+      - name: Upload GraphQL schema
+        uses: actions/upload-artifact@v3
+        with:
+          name: graphql-schema
+          path: offchain/schema.graphql
+          if-no-files-found: error
+
   build_docker:
     runs-on: ubuntu-22.04
     needs:
@@ -116,3 +126,20 @@ jobs:
           push: true
           project: ${{ vars.DEPOT_PROJECT }}
           workdir: build
+
+  release:
+    needs: [test, build_docker]
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Download GraphQL schema
+        uses: actions/download-artifact@v3
+        if: ${{ startsWith(github.ref, 'refs/tags/v') }}
+        with:
+          name: graphql-schema
+
+      - name: Upload GraphQL schema to GitHub Release
+        uses: softprops/action-gh-release@v1
+        if: ${{ startsWith(github.ref, 'refs/tags/v') }}
+        with:
+          draft: true
+          files: schema.graphql

CHANGELOG.md

@@ -17,6 +17,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - Standardized log libraries and configuration
+- Moved GraphQL schema generation to the CI. Now it is distributed as a Github artifact
 
 ### Removed