chore(deps): update dependency rxjs to ^7.5.7

Author: renovate[bot]

package-lock.json

@@ -96,7 +96,7 @@
 		"pngjs": "^6.0.0",
 		"prettier": "^2.2.1",
 		"puppeteer": "5.4.0",
-		"rxjs": "^7.1.0",
+		"rxjs": "^7.5.7",
 		"semantic-release": "^17.2.4",
 		"source-map-support": "^0.5.19",
 		"tagged-template-noop": "^2.1.1",