use latest cypress v9.1.1 and WP 5.9 beta 2 in github action

.github/workflows/lint-test-deploy.yml

@@ -56,7 +56,7 @@ jobs:
     strategy:
       matrix:
         node: [ '12', '14', '16' ]
-        cypress: [ '5.6.0', '6.9.1', '7.7.0', '8.7.0', '9.1.0' ]
+        cypress: [ '5.6.0', '6.9.1', '7.7.0', '8.7.0', '9.1.1' ]
 
     steps:
       - uses: actions/checkout@v2
@@ -68,7 +68,7 @@ jobs:
         run: CYPRESS_INSTALL_BINARY=${{ matrix.cypress }} npm ci
       - name: "Configure environment with WP 5.9"
         run: |
-          echo -e '{\n\t"core": "https://wordpress.org/wordpress-5.9-beta1.zip"\n}' > ./.wp-env.override.json
+          echo -e '{\n\t"core": "https://wordpress.org/wordpress-5.9-beta2.zip"\n}' > ./.wp-env.override.json
       - name: Start WordPress environment
         run: |
           chmod -R 767 ./ # TODO: Possibly integrate in wp-env