Use checkout v3 (#1969)

Author: ni-jfitzger

.github/workflows/github_actions_aws_rhel_python64.yml

@@ -29,7 +29,7 @@ jobs:
         module_name: ["nidcpower", "nidmm", "nifgen", "niscope", "niswitch", "nitclk"]
     steps:
       - name: checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: execute system tests
         uses: ./.github/actions/linux
         with:

.github/workflows/github_actions_aws_windows_python32.yml

@@ -41,7 +41,7 @@ jobs:
             ]
       steps:
         - name: checkout repository
-          uses: actions/checkout@v2
+          uses: actions/checkout@v3
         - name: execute system tests
           uses: ./.github/actions/windows
           with:

.github/workflows/github_actions_aws_windows_python64.yml

@@ -41,7 +41,7 @@ jobs:
             ]
       steps:
         - name: checkout repository
-          uses: actions/checkout@v2
+          uses: actions/checkout@v3
         - name: execute system tests
           uses: ./.github/actions/windows
           with: