Bump the version of actions/checkout

Author: vgvassilev

.github/workflows/main.yml

@@ -119,7 +119,7 @@ jobs:
         os: [ windows-2022]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: install mamba
         uses: mamba-org/provision-with-micromamba@main
@@ -158,7 +158,7 @@ jobs:
         emsdk_ver: ["3.1.45"]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Install mamba
         uses: mamba-org/provision-with-micromamba@main