refactor: rename variable

`pub` may refer to 'public' or 'publish' in this context, that clears it up.

Author: gyoshev

bin/semantic-prerelease.js

@@ -7,7 +7,7 @@ const branch = process.env.TRAVIS_BRANCH || process.env.GIT_LOCAL_BRANCH;
 const branchTags = config.release && config.release.branchTags;
 const tag = branchTags && branchTags[branch];
 const dryRun = process.argv.find(arg => /^(--dry-run|-n)$/.test(arg));
-const pub = process.argv.find(arg => /^(--public)$/.test(arg));
+const public = process.argv.find(arg => /^(--public)$/.test(arg));
 const validate = process.argv.find(arg => /^(--validate|-v)$/.test(arg));
 const command = [ 'npm', 'publish' ];
 
@@ -20,7 +20,7 @@ if (tag) {
   command.push('--tag', tag);
 }
 
-if (pub) {
+if (public) {
   command.push('--access=public');
 }