chore(deps): bump actions/checkout from 2 to 3

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...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/spotube-nightly.yml

@@ -162,7 +162,7 @@ jobs:
   build_macos:
     runs-on: macos-11
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: subosito/[email protected]
         with:
           cache: true

.github/workflows/spotube-release.yml

@@ -79,7 +79,7 @@ jobs:
   publish_macos:
     runs-on: macos-11
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: subosito/[email protected]
         with:
           cache: true