ci: prepare workflow for release contracts

.github/workflows/buld-release.yaml

@@ -0,0 +1,50 @@
+name: Build and release
+
+on:
+  push:
+    branches:
+      - '*'
+
+jobs:
+  build-contracts:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v3
+
+      - name: Use Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18.18.0
+          cache: yarn
+
+      - name: Init
+        id: init
+        run: |
+          yarn
+          echo "release_tag=$(echo ${GITHUB_REF#refs/heads/})-$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
+
+      - name: Build contracts
+        run: |
+          yarn l1 build
+          yarn l2 build
+          yarn sc build
+
+      - name: Prepare artifacts
+        run: |
+          tar -czvf l1-contracts.tar.gz ./l1-contracts
+          tar -czvf l2-contracts.tar.gz ./l2-contracts
+          tar -czvf system-contracts.tar.gz ./system-contracts
+
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        with:
+          tag_name: ${{ steps.init.outputs.release_tag }}
+          fail_on_unmatched_files: true
+          draft: true
+          body: ""
+          files: |
+            l1-contracts.tar.gz
+            l2-contracts.tar.gz
+            system-contracts.tar.gz

.github/workflows/l1-contracts-ci.yaml

@@ -2,10 +2,6 @@ name: L1 contracts CI
 
 on:
   pull_request:
-  push:
-    branches:
-      - dev
-      - main
 
 jobs:
   build:

.github/workflows/l2-contracts-ci.yaml

@@ -2,10 +2,6 @@ name: L2 contracts CI
 
 on:
   pull_request:
-  push:
-    branches:
-      - dev
-      - main
 
 jobs:
   build:

.github/workflows/system-contracts-ci.yaml

@@ -2,10 +2,6 @@ name: System contracts CI
 
 on:
   pull_request:
-  push:
-    branches:
-      - dev
-      - main
 
 jobs:
   build: