feat: update cypress version and config (#38892)

.github/workflows/cypress.yml

@@ -14,6 +14,8 @@ jobs:
     env:
       CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      # our .npmrc sets a default version to 0, and prevents download. This installs it.
+      CYPRESS_INSTALL_BINARY: '4.6.0'
     name: Cypress run
     runs-on: ubuntu-latest
     services:
@@ -24,11 +26,11 @@ jobs:
           - 27017:27017
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2
 
       - name: Set up environment
         run: cp sample.env .env
-      
+
       - name: Cypress run
         uses: cypress-io/github-action@v1
         with: