Bump coursier/cache-action from 6.2 to 6.3 (#283)

Bumps [coursier/cache-action](https://github.com/coursier/cache-action) from 6.2 to 6.3.
- [Release notes](https://github.com/coursier/cache-action/releases)
- [Commits](coursier/cache-action@v6.2...v6.3)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/main.yaml

@@ -14,7 +14,7 @@ jobs:
       JAVA_OPTS: -Xmx4G
     steps:
       - uses: actions/checkout@v2
-      - uses: coursier/cache-action@v6.2
+      - uses: coursier/cache-action@v6.3
       - uses: olafurpg/setup-scala@v12
         with:
           java-version: [email protected]
@@ -34,7 +34,7 @@ jobs:
       - uses: actions/[email protected]
         with:
           fetch-depth: 0
-      - uses: coursier/cache-action@v6.2
+      - uses: coursier/cache-action@v6.3
       - uses: olafurpg/setup-scala@v12
       - run: sbt ci-release
         env: