bump rxjs to 7.8.2 (#80)

* bump rxjs to 7.8.2

* 2.6.0

Author: kbarbounakis

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@themost/express",
-  "version": "2.5.2",
+  "version": "2.6.0",
   "description": "@themost-framework express.js middleware",
   "main": "dist/index.cjs.js",
   "module": "dist/index.esm.js",
@@ -48,7 +48,7 @@
     "on-headers": "^1.0.2",
     "pluralize": "^7.0.0",
     "q": "^1.5.1",
-    "rxjs": "^6.5.4",
+    "rxjs": "^7.8.2",
     "symbol": "^0.3.1"
   },
   "devDependencies": {
@@ -94,7 +94,6 @@
     "rollup-plugin-auto-external": "^2.0.0",
     "rollup-plugin-dts": "^4.2.3",
     "rollup-plugin-node-resolve": "^5.2.0",
-    "rxjs": "^6.5.4",
     "supertest": "^4.0.2",
     "symbol": "^0.3.1",
     "typescript": "^4.0.3"