chore: disable ability to create blank issues + fix typo. [skip ci] (#8902)

.github/ISSUE_TEMPLATE/bug-report.md

@@ -1,6 +1,6 @@
 ---
 name: "🐛 Bug report"
-about: Report a bug found while using Cypress
+about: Report a bug found while using Cypress.
 title: ''
 labels: ''
 assignees: ''

.github/ISSUE_TEMPLATE/config.yml

@@ -1,10 +1,11 @@
+blank_issues_enabled: false
 contact_links:
   - name: 🤔 Questions and Help
     url: https://www.cypress.io/support
     about: This issue tracker is not for support questions. Please refer to the Cypress community's support.
   - name: 📊 Cypress Dashboard Feature
     url: https://portal.productboard.com/cypress-io/1-cypress-dashboard
-    about: This issue tracker is not for requesting Cypress Dashboard. Please express interest here.
+    about: This issue tracker is not for requesting Cypress Dashboard features. Please express interest here.
   - name: 📃 Documentation Issue
     url: https://github.com/cypress-io/cypress-documentation/issues/new
     about: This issue tracker is not for documentation issues. Please open documentation issues here.

.github/ISSUE_TEMPLATE/feature.md

@@ -1,6 +1,6 @@
 ---
 name: "✨ Feature"
-about: Suggest a feature or enhancement to improve Cypress
+about: Suggest a feature or enhancement to improve Cypress.
 title: ''
 labels: ''
 assignees: ''