feat: update the pipeline to run in the self hosted runners

.github/workflows/ci.yaml

@@ -2,8 +2,8 @@ name: ZQ2 CI
 
 on:
   push:
-    branches:
-    - main
+    # branches:
+    # - main
   pull_request:
     branches:
     - main
@@ -18,10 +18,10 @@ env:
 
 jobs:
   check:
-    runs-on: [self-hosted, gcp]
+    runs-on: [self-hosted, z2]
     steps:
     - name: Install Rust
-      run: curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y && echo "$HOME/.cargo/bin" >> $GITHUB_PATH
+      run: curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y && echo "$CARGO_HOME/bin" >> $GITHUB_PATH
     - name: Install nightly
       run: rustup toolchain install nightly
     - name: Install dependencies
@@ -42,7 +42,7 @@ jobs:
     - name: Verify working directory is clean
       run: git diff --exit-code
   e2e_test:
-    runs-on: ubuntu-latest
+    runs-on: [self-hosted, z2]
     steps:
     - uses: actions/checkout@v4
       with: