Refactor benchmark workflows to use self-hosted runner and disable push trigger

.github/workflows/run-benchmarks-self-hosted.yml

@@ -0,0 +1,29 @@
+name: Run benchmarks
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+
+jobs:
+  run-benchmarks:
+    runs-on: self-hosted-linux
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+
+      - name: Run benchmarks
+        run: cargo bench
+
+      - name: Upload benchmark reports
+        uses: actions/upload-artifact@v4
+        with:
+          name: benchmark-reports-${{ github.sha }}
+          path: ./target/criterion/

.github/workflows/run-benchmarks.yml

@@ -2,9 +2,9 @@ name: Run benchmarks
 
 on:
   workflow_dispatch:
-  push:
-    branches:
-      - main
+  # push:
+  #   branches:
+  #     - main
 
 jobs:
   run-benchmarks: