Bump rxjs from 6.6.7 to 7.8.1

Bumps [rxjs](https://github.com/reactivex/rxjs) from 6.6.7 to 7.8.1.
- [Changelog](https://github.com/ReactiveX/rxjs/blob/7.8.1/CHANGELOG.md)
- [Commits](ReactiveX/rxjs@6.6.7...7.8.1)

---
updated-dependencies:
- dependency-name: rxjs
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

playgrounds/angular/package.json

@@ -23,7 +23,7 @@
     "algoliasearch": "^4.14.3",
     "angular-instantsearch": "^4.4.1",
     "instantsearch.js": "^4.56.1",
-    "rxjs": "~6.6.0",
+    "rxjs": "~7.8.1",
     "tslib": "^2.0.0",
     "zone.js": "~0.11.4"
   },

yarn.lock

@@ -12878,17 +12878,17 @@ run-parallel@^1.1.9:
   resolved "https://registry.yarnpkg.com/run-parallel/-/run-parallel-1.1.10.tgz#60a51b2ae836636c81377df16cb107351bcd13ef"
   integrity sha512-zb/1OuZ6flOlH6tQyMPUrE3x3Ulxjlo9WIVXR4yVYi4H9UXQaeIsPbLn2R3O3vQCnDKkAl2qHiuocKKX4Tz/Sw==
 
-[email protected], rxjs@^6.6.3, rxjs@~6.6.0:
+[email protected], rxjs@^6.6.3:
   version "6.6.7"
   resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.6.7.tgz#90ac018acabf491bf65044235d5863c4dab804c9"
   integrity sha512-hTdwr+7yYNIT5n4AMYp85KA6yw2Va0FLa3Rguvbpa4W3I5xynaBZo41cM3XM+4Q6fRMj3sBYIR1VAmZMXYJvRQ==
   dependencies:
     tslib "^1.9.0"
 
-rxjs@^7.5.1, rxjs@^7.5.5:
-  version "7.8.0"
-  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-7.8.0.tgz#90a938862a82888ff4c7359811a595e14e1e09a4"
-  integrity sha512-F2+gxDshqmIub1KdvZkaEfGDwLNpPvk9Fs6LD/MyQxNgMds/WH9OdDDXOmxUZpME+iSK3rQCctkL0DYyytUqMg==
+rxjs@^7.5.1, rxjs@^7.5.5, 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 "^2.1.0"