chore(e2e-dev-runtime): bump @testing-library/cypress and adjust current data updates testing setup (#26500)

* chore(e2e-dev-runtime): bump @testing-library/cypress

* chore(e2e-dev-runtime): scope fake-data source plugin data refreshes

* force single cypress version

ref: testing-library/cypress-testing-library#98

Author: gatsbybot

yarn.lock

@@ -1914,7 +1914,12 @@
     "@types/node" "*"
     form-data "^3.0.0"
 
-"@types/node@*", "@types/node@^8.5.7":
+"@types/node@*":
+  version "14.0.27"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.0.27.tgz#a151873af5a5e851b51b3b065c9e63390a9e0eb1"
+  integrity sha512-kVrqXhbclHNHGu9ztnAwSncIgJv/FaxmzXJvGXNdcCpV1b8u1/Mi6z6m0vwy0LzKeXFTPLH0NzwmoJ3fNCIq0g==
+
+"@types/node@^8.5.7":
   version "8.10.62"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-8.10.62.tgz#8d0d0db44a46ae7679d92e2e36d41bf1c3625d6a"
   integrity sha512-76fupxOYVxk36kb7O/6KtrAPZ9jnSK3+qisAX4tQMEuGNdlvl7ycwatlHqjoE6jHfVtXFM3pCrCixZOidc5cuw==