Bump coursier/cache-action from 6.4.5 to 6.4.6

Bumps [coursier/cache-action](https://github.com/coursier/cache-action) from 6.4.5 to 6.4.6.
- [Release notes](https://github.com/coursier/cache-action/releases)
- [Commits](coursier/cache-action@1ff273b...142d273)

---
updated-dependencies:
- dependency-name: coursier/cache-action
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
       with:
         java-version: ${{matrix.java}}
         distribution: temurin
-    - uses: coursier/cache-action@1ff273bff02a8787bc9f1877d347948af647956d # v6.4.5
+    - uses: coursier/cache-action@142d2738bd29f0eb9d44610828acb3a19809feab # v6.4.6
     - run: sbt -v test scripted
     - run: git diff --exit-code # check scalariform
     - run: rm -rf "$HOME/.ivy2/local"