fix: fetch all release branches on CI

lib/branches/index.js

@@ -3,20 +3,25 @@ const AggregateError = require('aggregate-error');
 const pEachSeries = require('p-each-series');
 const DEFINITIONS = require('../definitions/branches');
 const getError = require('../get-error');
-const {verifyBranchName} = require('../git');
+const {fetch, verifyBranchName} = require('../git');
 const expand = require('./expand');
 const getTags = require('./get-tags');
 const normalize = require('./normalize');
 
 module.exports = async context => {
-  const branches = await getTags(
+  const {cwd, env} = context;
+
+  const remoteBranches = await expand(
     context,
-    await expand(
-      context,
-      context.options.branches.map(branch => (isString(branch) || isRegExp(branch) ? {name: branch} : branch))
-    )
+    context.options.branches.map(branch => (isString(branch) || isRegExp(branch) ? {name: branch} : branch))
   );
 
+  await pEachSeries(remoteBranches, async ({name}) => {
+    await fetch(name, {cwd, env});
+  });
+
+  const branches = await getTags(context, remoteBranches);
+
   const errors = [];
   const branchesByType = Object.entries(DEFINITIONS).reduce(
     (branchesByType, [type, {filter}]) => ({[type]: branches.filter(filter), ...branchesByType}),