chore(deps): Bump mozilla-actions/sccache-action from 0.0.6 to 0.0.7

Bumps [mozilla-actions/sccache-action](https://github.com/mozilla-actions/sccache-action) from 0.0.6 to 0.0.7.
- [Release notes](https://github.com/mozilla-actions/sccache-action/releases)
- [Commits](Mozilla-Actions/sccache-action@v0.0.6...v0.0.7)

---
updated-dependencies:
- dependency-name: mozilla-actions/sccache-action
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/doc.yml

@@ -31,7 +31,7 @@ jobs:
       - name: Install dependencies for compiling RisingWave
         run: sudo apt-get update && sudo apt-get install -y make build-essential cmake protobuf-compiler curl openssl libssl-dev libsasl2-dev libcurl4-openssl-dev pkg-config postgresql-client tmux lld
       - name: Run sccache-cache
-        uses: mozilla-actions/[email protected].6
+        uses: mozilla-actions/[email protected].7
         with:
           version: "v0.5.2"
       - name: build rustdocs