Bump rxjs from 6.5.3 to 6.5.4

Bumps [rxjs](https://github.com/reactivex/rxjs) from 6.5.3 to 6.5.4.
- [Release notes](https://github.com/reactivex/rxjs/releases)
- [Changelog](https://github.com/ReactiveX/rxjs/blob/6.5.4/CHANGELOG.md)
- [Commits](ReactiveX/rxjs@6.5.3...6.5.4)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -58,7 +58,7 @@
     "pouchdb-browser": "^7.1.1",
     "pouchdb-load": "^1.4.6",
     "pouchdb-replication-stream": "^1.2.9",
-    "rxjs": "^6.5.3",
+    "rxjs": "^6.5.4",
     "solid-js": "^0.15.4"
   }
 }

yarn.lock

@@ -7972,10 +7972,10 @@ run-queue@^1.0.0, run-queue@^1.0.3:
   dependencies:
     aproba "^1.1.1"
 
-rxjs@^6.4.0, rxjs@^6.5.3:
-  version "6.5.3"
-  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.5.3.tgz#510e26317f4db91a7eb1de77d9dd9ba0a4899a3a"
-  integrity sha512-wuYsAYYFdWTAnAaPoKGNhfpWwKZbJW+HgAJ+mImp+Epl7BG8oNWBCTyRM8gba9k4lk8BgWdoYm21Mo/RYhhbgA==
+rxjs@^6.4.0, rxjs@^6.5.4:
+  version "6.5.4"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.5.4.tgz#e0777fe0d184cec7872df147f303572d414e211c"
+  integrity sha512-naMQXcgEo3csAEGvw/NydRA0fuS2nDZJiw1YUWFKU7aPPAPGZEsD4Iimit96qwCieH6y614MCLYwdkrWx7z/7Q==
   dependencies:
     tslib "^1.9.0"