add caching for CI workflow as well

Author: connortsui20

.github/workflows/CI.yaml

@@ -36,6 +36,8 @@ jobs:
         with:
           profile: minimal
           components: rustfmt, clippy
+      # Make sure to use cached compilation objects if they exist.
+      - uses: Swatinem/rust-cache@v2
       - name: Check code format
         uses: actions-rs/cargo@v1
         with:

.github/workflows/tpch.yaml

@@ -38,7 +38,7 @@ jobs:
           tool: "cargo"
           output-file-path: output.txt
           gh-pages-branch: gh-pages
-          github-token: ${{ secrets.BENCHMARK_ACTION_BOT_TOKEN }}
+          github-token: ${{ secrets.GITHUB_TOKEN }}
           # Automatically push the results to the GitHub pages branch.
           auto-push: true
           # Show alert with commit comment on detecting possible performance regression.
@@ -48,4 +48,4 @@ jobs:
           fail-on-alert: true
           alert-comment-cc-users: "@connortsui20"
           # Push to dedicated benchmark result repository.
-          gh-repository: "https://github.com/cmu-db/optd-benchmark"
+          gh-repository: "github.com/cmu-db/optd-benchmark"