feat: create benchmark test workflow

.github/workflows/benchmarks.yml

@@ -0,0 +1,42 @@
+name: CI
+
+on:
+  push:
+    branches: [ master ]
+
+jobs:
+  benchmark:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Copy CI gradle.properties
+        run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
+
+      - name: set up JDK
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'zulu'
+          check-latest: true
+          java-version: 22
+          cache: 'gradle'
+
+      - name: Validate gradle wrapper
+        uses: gradle/actions/wrapper-validation@v4
+
+      - name: Create local properties
+        env:
+          LOCAL_PROPERTIES: ${{ secrets.LOCAL_PROPERTIES }}
+        run: echo "$LOCAL_PROPERTIES" | base64 --decode > local.properties
+
+      - name: Cache konan directory
+        uses: actions/cache@v4
+        with:
+          path: ~/.konan
+          key: ${{ runner.os }}-konan-${{ hashFiles('*.gradle.kts', 'buildSrc/*') }}
+          restore-keys: |
+            ${{ runner.os }}-konan-
+
+      - name: Run benchmarks
+        run: ./gradlew benchmarks:benchmark