Bump actions/checkout from 2 to 3 (#50)

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

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
     env:
       VULKAN_SDK: $GITHUB_WORKSPACE/../$VulkanSDKVersion/x86_64
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Download & Extract Vulkan SDK
       run: |
         wget --no-cookies -O ../vulkansdk-linux-x86_64-${{env.VulkanSDKVersion}}.tar.gz https://sdk.lunarg.com/sdk/download/${{env.VulkanSDKVersion}}/linux/vulkansdk-linux-x86_64-${{env.VulkanSDKVersion}}.tar.gz?u=
@@ -35,7 +35,7 @@ jobs:
   windows-latest-x64:
     runs-on: windows-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set Environment variables
       run: echo "VULKAN_SDK=C:\VulkanSDK\${{env.VulkanSDKVersion}}" >> $GITHUB_ENV
     - name: Download & Install Vulkan SDK
@@ -61,7 +61,7 @@ jobs:
   macos-latest-x64:
     runs-on: macos-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Set Environment variables
       run: |
         VULKAN_SDK=$GITHUB_WORKSPACE/../vulkansdk-macos-${{env.VulkanSDKVersion}}/macOS