Upgrade checkout action

.github/workflows/build-linux.yml

@@ -51,7 +51,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Install Dependencies
         run: |

.github/workflows/build-macos.yml

@@ -32,7 +32,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Install Dependencies
         run: |

.github/workflows/build-python.yml

@@ -52,7 +52,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Install (Linux)
         if: runner.os == 'Linux'
         run: |

.github/workflows/build-special.yml

@@ -64,7 +64,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Install (Linux)
         if: runner.os == 'Linux'

.github/workflows/build-windows.yml

@@ -94,7 +94,7 @@ jobs:
           echo "BOOST_ROOT=$BOOST_PATH" >> $env:GITHUB_ENV
 
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Configuration
         run: |