Update package.json repository url for casing

Specific format is required for sigstore to match provenance and sign the package for npm

Author: bingenito

Diff for: package.json

@@ -75,7 +75,7 @@
     },
     "repository": {
         "type": "git",
-        "url": "https://github.com/MorganStanley/needle.git"
+        "url": "https://github.com/morganstanley/needle"
     },
     "publishConfig": {
         "access": "public"