fix(monitor): DNS monitor hostname and other monitors URL validations

Fixes Issue #6444

Summary:
* DNS monitor hostname input will accept wildcard and rejects IP (Valid : *.testdns.co, Invalid : 8.8.8.8)
* http, keyword, json-query, websocket, real-browser monitors will not accept wildcard hostnames in URL (Invalid : https://*.testdns.co/status)

package-lock.json

@@ -88,6 +88,7 @@
                 "thirty-two": "~1.0.2",
                 "tldts": "^7.0.19",
                 "tough-cookie": "~4.1.3",
+                "validator": "^13.15.26",
                 "web-push": "^3.6.7",
                 "ws": "^8.13.0"
             },
@@ -18742,6 +18743,15 @@
                 "spdx-expression-parse": "^3.0.0"
             }
         },
+        "node_modules/validator": {
+            "version": "13.15.26",
+            "resolved": "https://registry.npmjs.org/validator/-/validator-13.15.26.tgz",
+            "integrity": "sha512-spH26xU080ydGggxRyR1Yhcbgx+j3y5jbNXk/8L+iRvdIEQ4uTRH2Sgf2dokud6Q4oAtsbNvJ1Ft+9xmm6IZcA==",
+            "license": "MIT",
+            "engines": {
+                "node": ">= 0.10"
+            }
+        },
         "node_modules/varint": {
             "version": "6.0.0",
             "resolved": "https://registry.npmjs.org/varint/-/varint-6.0.0.tgz",