build: Bump actions/checkout from 2.4.0 to 3.0.2 (#42)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.4.0 to 3.0.2.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2.4.0...v3.0.2)

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

Signed-off-by: dependabot[bot] <support@github.com>

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: "ubuntu-latest"
 
     steps:
-      - uses: "actions/checkout@v2.4.0"
+      - uses: "actions/checkout@v3.0.2"
 
       - name: "Cache Docker layers"
         uses: "actions/cache@v2.1.7"
@@ -61,7 +61,7 @@ jobs:
     runs-on: "ubuntu-latest"
 
     steps:
-      - uses: "actions/checkout@v2.4.0"
+      - uses: "actions/checkout@v3.0.2"
 
       - name: "Cache Docker layers"
         uses: "actions/cache@v2.1.7"

.github/workflows/release_tag.yml

@@ -27,7 +27,7 @@ jobs:
           app_id: "${{ secrets.BADABUMP_APP_ID }}"
           private_key: "${{ secrets.BADABUMP_APP_PRIVATE_KEY }}"
 
-      - uses: "actions/checkout@v2.4.0"
+      - uses: "actions/checkout@v3.0.2"
         with:
           ref: "master"
           token: "${{ steps.token.outputs.token }}"