Update actions/checkout to v3

.github/workflows/android_opengl.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Get Submodules
       run: git submodule update --init --recursive
     - name: Compile

.github/workflows/ios_metal.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: macOS-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Get Submodules
       run: git submodule update --init --recursive
     - name: Compile

.github/workflows/linux_vulkan.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Apt Update
       run: sudo apt-get update
     - name: Apt Install

.github/workflows/macos_metal.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: macOS-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Get Submodules
       run: git submodule update --init --recursive
     - name: Compile

.github/workflows/windows_direct3d12.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: windows-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Get Submodules
       run: git submodule update --init --recursive
     - name: Compile