fix: normalize bin paths so the CLI installs

npm was stripping bin entries with a "./dist/cli.js" target ("script name
... was invalid and removed"), which would have left npx shadowbuster /
unredact non-functional. Drop the "./" prefix; verified the published
tarball now retains both bins.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Author: didrod205

package.json

@@ -14,8 +14,8 @@
     }
   },
   "bin": {
-    "shadowbuster": "./dist/cli.js",
-    "unredact": "./dist/cli.js"
+    "shadowbuster": "dist/cli.js",
+    "unredact": "dist/cli.js"
   },
   "files": [
     "dist"