Bump actions/checkout from 2 to 3 (#23)

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]>

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

Author: dependabot[bot]

.github/workflows/pull_request.yml

@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Check out repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Set up Rust toolchain
         uses: actions-rs/toolchain@v1
         with:

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
       VERSION: ${{ steps.vars.outputs.VERSION }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Set Git Config
         run: |
@@ -67,7 +67,7 @@ jobs:
     runs-on: ${{ matrix.job.os }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Install Rust toolchain
         uses: actions-rs/toolchain@v1
@@ -120,7 +120,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0