Update github actions versions

The old ones ran on a deprecated version of node, and GitHub was
throwing warnings. Hopefully these are drop-in replacements.

.github/workflows/hamlet_deploy.yml

@@ -19,13 +19,13 @@ jobs:
         python_version: [3.8.10]
     steps:
       - name: Git clone on our repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Create zip deployment package
         run: zip -r ${{ env.DEPLOY_PACKAGE_NAME }} ./ -x *.git*
 
       - name: Configure AWS credentials
-        uses: aws-actions/configure-aws-credentials@v1
+        uses: aws-actions/configure-aws-credentials@v2
         with:
           aws-access-key-id: ${{ secrets.aws_access_key_id }}
           aws-secret-access-key: ${{ secrets.aws_secret_access_key }}
@@ -39,7 +39,7 @@ jobs:
     needs: [build]
     steps:
       - name: Configure AWS credentials
-        uses: aws-actions/configure-aws-credentials@v1
+        uses: aws-actions/configure-aws-credentials@v2
         with:
           aws-access-key-id: ${{ secrets.aws_access_key_id }}
           aws-secret-access-key: ${{ secrets.aws_secret_access_key }}