chore: makes npm token input optional (#62)

Changed the 'token' input requirement to optional in order to fully switch to trusted publishing (via OIDC).

Author: jwndlng

actions/npm-publish/action.yaml

@@ -4,7 +4,7 @@ description: 'This action publishes a package to the npm registry.'
 inputs:
   token:
     description: 'The npm token to use for authentication.'
-    required: true
+    required: false
   is_beta:
     description: 'A stringified boolean indicating whether to publish the package as a beta version.'
     required: false