Bump @babel/polyfill from 7.6.0 to 7.7.0

Bumps [@babel/polyfill](https://github.com/babel/babel) from 7.6.0 to 7.7.0.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/compare/v7.6.0...v7.7.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package-lock.json

@@ -1583,9 +1583,9 @@
 			}
 		},
 		"@babel/polyfill": {
-			"version": "7.6.0",
-			"resolved": "https://registry.npmjs.org/@babel/polyfill/-/polyfill-7.6.0.tgz",
-			"integrity": "sha512-q5BZJI0n/B10VaQQvln1IlDK3BTBJFbADx7tv+oXDPIDZuTo37H5Adb9jhlXm/fEN4Y7/64qD9mnrJJG7rmaTw==",
+			"version": "7.7.0",
+			"resolved": "https://registry.npmjs.org/@babel/polyfill/-/polyfill-7.7.0.tgz",
+			"integrity": "sha512-/TS23MVvo34dFmf8mwCisCbWGrfhbiWZSwBo6HkADTBhUa2Q/jWltyY/tpofz/b6/RIhqaqQcquptCirqIhOaQ==",
 			"requires": {
 				"core-js": "^2.6.5",
 				"regenerator-runtime": "^0.13.2"

package.json

@@ -26,7 +26,7 @@
 		"test:coverage": "jest --coverage"
 	},
 	"dependencies": {
-		"@babel/polyfill": "^7.6.0",
+		"@babel/polyfill": "^7.7.0",
 		"@nextcloud/l10n": "^0.2.1",
 		"@nextcloud/router": "^0.1.0",
 		"nextcloud-axios": "^0.2.1",