Added rangeStrategy to renovate file (#15027)

Added rangeStrategy to npm and cargo managers as some of the dependencies in package.json or cargo.toml is not getting updated

Author: DineshKumarRA

renovate.json

@@ -39,6 +39,7 @@
     },
     {
       "matchManagers": [ "npm" ],
+      "rangeStrategy": "bump",
       "commitMessagePrefix": "[js]",
       "labels": [ "dependencies", "c-nodejs" ]
     },
@@ -69,6 +70,7 @@
     },
     {
       "matchManagers": [ "cargo" ],
+      "rangeStrategy": "bump",
       "commitMessagePrefix": "[rust]",
       "labels": [ "dependencies", "c-rust" ]
     },