Use Rust caches for publishes

These aren't incremental by default, and should shave a lot of time from subsequent builds.

Author: Byron

.github/workflows/publish.yaml

@@ -134,6 +134,10 @@ jobs:
       - uses: actions/checkout@v5
         with:
           token: ${{ secrets.PAT_JUNON }} # custom token here so that we can push tags later
+      - name: Rust Cache
+        uses: Swatinem/[email protected]
+        with:
+          shared-key: app-release-build
       - name: Init Node Environment
         uses: ./.github/actions/init-env-node