Update dependency rxjs to v7

Author: renovate[bot]

package.json

@@ -10,7 +10,7 @@
     "node": ">=14.0.0"
   },
   "dependencies": {
-    "rxjs": "6.6.7",
+    "rxjs": "7.8.1",
     "typescript": "4.3.2"
   },
   "devDependencies": {

yarn.lock

@@ -52,12 +52,12 @@ make-error@^1.1.1:
   resolved "https://registry.yarnpkg.com/make-error/-/make-error-1.3.6.tgz#2eb2e37ea9b67c4891f684a1394799af484cf7a2"
   integrity sha512-s8UhlNe7vPKomQhC1qFelMokr/Sc3AgNbso3n74mVPA5LTZwkB9NlXf4XPamLxJE8h0gh73rM94xvwRT2CVInw==
 
-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@7.8.1:
+  version "7.8.1"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-7.8.1.tgz#6f6f3d99ea8044291efd92e7c7fcf562c4057543"
+  integrity sha512-AA3TVj+0A2iuIoQkWEK/tqFjBq2j+6PO6Y0zJcvzLAFhEFIO3HL0vls9hWLncZbAAbK0mar7oZ4V079I/qPMxg==
   dependencies:
-    tslib "^1.9.0"
+    tslib "^2.1.0"
 
 source-map-support@^0.5.17:
   version "0.5.19"
@@ -88,10 +88,10 @@ ts-node@10.0.0:
     source-map-support "^0.5.17"
     yn "3.1.1"
 
-tslib@^1.9.0:
-  version "1.14.1"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
-  integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
+tslib@^2.1.0:
+  version "2.5.2"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.5.2.tgz#1b6f07185c881557b0ffa84b111a0106989e8338"
+  integrity sha512-5svOrSA2w3iGFDs1HibEVBGbDrAY82bFQ3HZ3ixB+88nsbsWQoKqDRb5UBYAUPEzbBn6dAp5gRNXglySbx1MlA==
 
 typescript@4.3.2:
   version "4.3.2"