fix: n/shebang => n/hashbang

Update rule n/shebang to n/hashbang to override the recommended
configuration in eslint-plugin-n@^17.0.0 as a result of
<eslint-community/eslint-plugin-n#198>.

Signed-off-by: Kevin Locke <kevin@kevinlocke.name>

.eslintrc.json

@@ -28,7 +28,7 @@
       ],
       "rules": {
         // Executable scripts should have a shebang
-        "n/shebang": "off"
+        "n/hashbang": "off"
       }
     }
   ]