feat(ci): iimplement concurrency lock for duplicate test runs in older commits

Author: mkatychev

.github/workflows/ci.yml

@@ -1,5 +1,11 @@
 on: [push, pull_request]
 
+# https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#concurrency
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+
 name: CI
 
 jobs:
@@ -40,4 +46,4 @@ jobs:
 
       - name: Test wasm32-wasip1 build for wasm-pkg-common
         if: matrix.test_wasm_build
-        run: cargo build -p wasm-pkg-common --target wasm32-wasip1
+        run: cargo build -p wasm-pkg-common --target wasm32-wasip1