Optimize warm srs CI workloads

.github/workflows/check-publish.yml

@@ -28,6 +28,7 @@ jobs:
         uses: ./.github/actions/setup-srs
         with:
           artifact-cache-scope: depot-linux-publish
+          target-path: ${{ github.workspace }}/target/package
       - name: "cargo publish dry-run"
         run: cargo publish --workspace --dry-run
       - name: "Save srs build cache"
@@ -37,3 +38,6 @@ jobs:
           artifact-cache-hit: ${{ steps.srs.outputs.artifact-cache-hit }}
           artifact-cache-primary-key: ${{ steps.srs.outputs.artifact-cache-primary-key }}
           save-artifact-cache: "true"
+          target-cache-hit: ${{ steps.srs.outputs.target-cache-hit }}
+          target-cache-primary-key: ${{ steps.srs.outputs.target-cache-primary-key }}
+          target-path: ${{ github.workspace }}/target/package

.github/workflows/test.yml

@@ -28,6 +28,8 @@ jobs:
     timeout-minutes: 20
     runs-on: depot-ubuntu-24.04-16
     name: "cargo test on linux"
+    env:
+      RUSTFLAGS: -Zcodegen-backend=llvm
     steps:
       - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with: