fix: Update dependency rc to latest version

Updating `rc` to the latest version (1.2.8) addresses the issue where `rc` version 1.1.6 depended on a version of deep-extend which has a security vulnerability.

Signed-off-by: Michael Bond <[email protected]>

Author: MichaelRBond

package-lock.json

@@ -56,7 +56,7 @@
     "parse-database-url": "~0.3.0",
     "pkginfo": "^0.4.0",
     "prompt": "^1.0.0",
-    "rc": "^1.1.6",
+    "rc": "^1.2.8",
     "resolve": "^1.1.6",
     "semver": "^5.3.0",
     "tunnel-ssh": "^4.0.0"