Bump actions/checkout from 2 to 3 (#898)

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](https://github.com/actions/checkout/compare/v2...v3)

---
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>

.github/workflows/clippy.yml

@@ -7,7 +7,7 @@ jobs:
   clippy:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - name: Update package manager
       run: sudo apt-get update

.github/workflows/pykanidm_mypy.yml

@@ -7,7 +7,7 @@ jobs:
   pykanidm_mypy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0    # Fetch all history for .GitInfo and .Lastmod
       - name: Set up Python 3.9

.github/workflows/pykanidm_pylint.yml

@@ -7,7 +7,7 @@ jobs:
   pykanidm_pylint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0    # Fetch all history for .GitInfo and .Lastmod
       - name: Set up Python 3.9

.github/workflows/pykanidm_pytest.yml

@@ -13,7 +13,7 @@ jobs:
           - "3.10"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0    # Fetch all history for .GitInfo and .Lastmod
       - name: Set up Python ${{matrix.python_version}}

.github/workflows/rust_build.yml

@@ -10,7 +10,7 @@ jobs:
   rust_build:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - name: Update package manager
       run: sudo apt-get update

.github/workflows/rust_test.yml

@@ -12,7 +12,7 @@ jobs:
   rust_test:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - name: Update package manager
       run: sudo apt-get update