chore(deps): update dependency rxjs to v7

package.json

@@ -21,7 +21,7 @@
     "@angular/platform-browser-dynamic": "10.0.11",
     "@angular/router": "10.0.11",
     "bootstrap": "4.6.0",
-    "rxjs": "6.6.7",
+    "rxjs": "7.1.0",
     "tslib": "2.2.0",
     "zone.js": "0.11.4"
   },

yarn.lock

@@ -7347,12 +7347,12 @@ [email protected]:
   dependencies:
     tslib "^1.9.0"
 
-rxjs@6.6.7:
-  version "6.6.7"
-  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.6.7.tgz#90ac018acabf491bf65044235d5863c4dab804c9"
-  integrity sha512-hTdwr+7yYNIT5n4AMYp85KA6yw2Va0FLa3Rguvbpa4W3I5xynaBZo41cM3XM+4Q6fRMj3sBYIR1VAmZMXYJvRQ==
+rxjs@7.1.0:
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-7.1.0.tgz#94202d27b19305ef7b1a4f330277b2065df7039e"
+  integrity sha512-gCFO5iHIbRPwznl6hAYuwNFld8W4S2shtSJIqG27ReWXo9IWrCyEICxUA+6vJHwSR/OakoenC4QsDxq50tzYmw==
   dependencies:
-    tslib "^1.9.0"
+    tslib "~2.1.0"
 
 rxjs@^6.5.0, rxjs@^6.5.3:
   version "6.6.2"
@@ -8388,6 +8388,11 @@ tslib@^1.10.0, tslib@^1.13.0, tslib@^1.8.1, tslib@^1.9.0, tslib@^1.9.3:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.13.0.tgz#c881e13cc7015894ed914862d276436fa9a47043"
   integrity sha512-i/6DQjL8Xf3be4K/E6Wgpekn5Qasl1usyw++dAA35Ue5orEn65VIxOA+YvNNl9HV3qv70T7CNwjODHZrLwvd1Q==
 
+tslib@~2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.1.0.tgz#da60860f1c2ecaa5703ab7d39bc05b6bf988b97a"
+  integrity sha512-hcVC3wYEziELGGmEEXue7D75zbwIIVUMWAVbHItGPx0ziyXxrOMQx4rQEVEV45Ut/1IotuEvwqPopzIOkDMf0A==
+
 [email protected]:
   version "6.1.3"
   resolved "https://registry.yarnpkg.com/tslint/-/tslint-6.1.3.tgz#5c23b2eccc32487d5523bd3a470e9aa31789d904"