Bump actions/checkout from 2.4.0 to 3.0.0 (#2)

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -12,7 +12,7 @@ jobs:
  ci:
  runs-on: ubuntu-latest
  steps:
- - uses: actions/checkout@v2.4.0
+ - uses: actions/checkout@v3.0.0
  - uses: olafurpg/setup-scala@v13
  with:
  java-version: adopt@1.11

.github/workflows/release.yml

@@ -7,7 +7,7 @@ jobs:
  publish:
  runs-on: ubuntu-20.04
  steps:
- - uses: actions/checkout@v2
+ - uses: actions/checkout@v3.0.0
  with:
  fetch-depth: 0
  - uses: olafurpg/setup-scala@v13