Relax rxjs constraint

Author: mpalourdio

package.json

@@ -38,7 +38,7 @@
   "peerDependencies": {
     "@angular/common": "^7.0.0",
     "@angular/core": "^7.0.0",
-    "rxjs": "~6.3.3"
+    "rxjs": "^6.3.3"
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "~0.13.0",
@@ -66,7 +66,7 @@
     "karma-jasmine": "~1.1.2",
     "karma-jasmine-html-reporter": "^0.2.2",
     "ng-packagr": "^4.2.0",
-    "rxjs": "~6.3.3",
+    "rxjs": "^6.3.3",
     "rxjs-tslint-rules": "^4.13.0",
     "ts-node": "~7.0.0",
     "tsickle": ">=0.34.0",

yarn.lock

@@ -6286,13 +6286,20 @@ rxjs-tslint-rules@^4.13.0:
     tslib "^1.8.0"
     tsutils "^3.0.0"
 
-rxjs@6.3.3, rxjs@^6.0.0, rxjs@^6.1.0, rxjs@~6.3.3:
+rxjs@6.3.3, rxjs@^6.0.0, rxjs@^6.1.0:
   version "6.3.3"
   resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.3.3.tgz#3c6a7fa420e844a81390fb1158a9ec614f4bad55"
   integrity sha512-JTWmoY9tWCs7zvIk/CvRjhjGaOd+OVBM987mxFo+OW66cGpdKjZcpmc74ES1sB//7Kl/PAe8+wEakuhG4pcgOw==
   dependencies:
     tslib "^1.9.0"
 
+rxjs@^6.3.3:
+  version "6.4.0"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.4.0.tgz#f3bb0fe7bda7fb69deac0c16f17b50b0b8790504"
+  integrity sha512-Z9Yfa11F6B9Sg/BK9MnqnQ+aQYicPLtilXBp2yUtDt2JRCE0h26d33EnfO3ZxoNxG0T92OUucP3Ct7cpfkdFfw==
+  dependencies:
+    tslib "^1.9.0"
+
 safe-buffer@5.1.2, 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"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"