ci: use era-test-node-action for the testing CI

.github/workflows/ci.yaml

@@ -105,17 +105,10 @@ jobs:
           node-version: 18.18.0
           cache: yarn
 
-      - name: Use Nightly Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1
+      - name: Use era-test-node for testing
+        uses: dutterbutter/era-test-node-action@v0.1.3
         with:
-          toolchain: nightly-2023-04-17
-
-      - name: Use era_test_node for testing
-        uses: baptiste0928/cargo-install@21a18ba3bf4a184d1804e8b759930d3471b1c941
-        with:
-          crate: era_test_node
-          git: https://github.com/matter-labs/era-test-node.git
-          branch: boojum-integration
+          releaseTag: v0.0.1-alpha.boojum
 
       - name: Install dependencies
         run: yarn
@@ -133,9 +126,6 @@ jobs:
             contracts/precompiles/artifacts
             bootloader/build
 
-      - name: Start era_test_node
-        run: era_test_node run > /dev/null 2>&1 &
-
       - name: Run tests
         run: yarn test