chore(deps): update dependency rxjs to v7

package.json

@@ -48,7 +48,7 @@
     "@sourcegraph/tsconfig": "^4.0.1",
     "@sourcegraph/tslint-config": "^13.4.0",
     "parcel-bundler": "^1.11.0",
-    "rxjs": "^6.4.0",
+    "rxjs": "^7.8.2",
     "sourcegraph": "^25.7.0",
     "tslint": "^6.1.3",
     "typescript": "^3.3.3"

yarn.lock

@@ -4736,12 +4736,12 @@ rxjs-tslint-rules@^4.23.0:
     tsutils "^3.0.0"
     tsutils-etc "^1.2.2"
 
-rxjs@^6.4.0:
-  version "6.6.7"
-  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.6.7.tgz#90ac018acabf491bf65044235d5863c4dab804c9"
-  integrity sha512-hTdwr+7yYNIT5n4AMYp85KA6yw2Va0FLa3Rguvbpa4W3I5xynaBZo41cM3XM+4Q6fRMj3sBYIR1VAmZMXYJvRQ==
+rxjs@^7.8.2:
+  version "7.8.2"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-7.8.2.tgz#955bc473ed8af11a002a2be52071bf475638607b"
+  integrity sha512-dhKf903U/PQZY6boNNtAGdWbG85WAbjT/1xYoZIC7FAY0yWapOBQVsVrDl58W86//e1VpMNBtRV4MaXfdMySFA==
   dependencies:
-    tslib "^1.9.0"
+    tslib "^2.1.0"
 
 safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
@@ -5300,15 +5300,15 @@ tr46@^1.0.1:
   dependencies:
     punycode "^2.1.0"
 
-tslib@^1.13.0, tslib@^1.8.1, tslib@^1.9.0:
+tslib@^1.13.0, tslib@^1.8.1:
   version "1.14.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
   integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
 
-tslib@^2.0.0:
-  version "2.4.0"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
-  integrity sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==
+tslib@^2.0.0, tslib@^2.1.0:
+  version "2.8.1"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.8.1.tgz#612efe4ed235d567e8aba5f2a5fab70280ade83f"
+  integrity sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==
 
 tslint-config-prettier@^1.18.0:
   version "1.18.0"