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](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>

.github/workflows/dotnet.yml

@@ -22,7 +22,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         fetch-depth: 0
         submodules: recursive
@@ -49,7 +49,7 @@ jobs:
 
     - name: Checkout Credentials repository
       if: ${{ matrix.os == 'windows-latest' && !startsWith(github.ref, 'refs/tags/') && github.event_name == 'push' }}
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         repository: SteamTools-Team/Credentials
         token: ${{ secrets.REPO_TOKEN }}

.github/workflows/publish.yml

@@ -22,7 +22,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         fetch-depth: 0
         submodules: recursive
@@ -52,7 +52,7 @@ jobs:
       
     - name: Checkout NSIS-Build repository
       if: ${{ github.event_name == 'push' && startsWith(github.ref, 'refs/tags/') }}
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         repository: SteamTools-Team/NSIS-Build
         token: ${{ secrets.REPO_TOKEN }}
@@ -60,7 +60,7 @@ jobs:
 
     - name: Checkout Credentials repository
       if: ${{ github.event_name == 'push' && startsWith(github.ref, 'refs/tags/') }}
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         repository: SteamTools-Team/Credentials
         token: ${{ secrets.REPO_TOKEN }}
@@ -264,7 +264,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         fetch-depth: 0
         submodules: recursive
@@ -314,7 +314,7 @@ jobs:
 
     - name: Checkout Credentials repository
       if: ${{ github.event_name == 'push' && startsWith(github.ref, 'refs/tags/') }}
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         repository: SteamTools-Team/Credentials
         token: ${{ secrets.REPO_TOKEN }}

.github/workflows/xamarin.yml

@@ -18,7 +18,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         fetch-depth: 0
         submodules: recursive