Bump actions/checkout from 2.4.0 to 3

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.4.0 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2.4.0...v3)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/release.yml

@@ -7,7 +7,7 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v3
       - uses: olafurpg/setup-scala@v13
       - name: Publish
         run: |

.github/workflows/scala.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-20.04
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v3
       - name: Set up JDK 8
         uses: olafurpg/setup-scala@v13
         with:
@@ -31,7 +31,7 @@ jobs:
         platform: [ 'JVM', 'JS', 'Native' ]
     steps:
       - name: Checkout current branch
-        uses: actions/checkout@v2.4.0
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Setup Scala and Java