Updated actions/checkout in CI to v3.

Author: FranckRJ

.github/workflows/ci_linux_clang.yml

@@ -76,7 +76,7 @@ jobs:
             enable_sanitizers_in_tests: ON
           }
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Build project
         env:
           CC: ${{ matrix.config.cc }}

.github/workflows/ci_linux_gcc.yml

@@ -70,7 +70,7 @@ jobs:
             enable_sanitizers_in_tests: ON
           }
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Build project
         env:
           CC: ${{ matrix.config.cc }}

.github/workflows/ci_windows_msvc.yml

@@ -56,7 +56,7 @@ jobs:
             cxx_standard: 20
           }
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Build project
         run: |
           cmake -S . -B build \

.github/workflows/coverage.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
       - name: Install LCOV
         run: sudo apt install -y lcov
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Build project
         env:
           CC: gcc-9