fix(branch): parameter branch does not work in semantic v16

parameter `branch` does not work in semantic v16(#15)

#15

.github/workflows/checkPullRequest.yml

@@ -16,6 +16,7 @@ jobs:
       - name: Semantic Release
         uses: ./
         with:
+          branch: master
           extra_plugins: |
             @semantic-release/git
             @semantic-release/changelog

.github/workflows/testRelease.yml

@@ -20,6 +20,7 @@ jobs:
         uses: cycjimmy/semantic-release-action@v2
         id: semantic
         with:
+          branch: master
           extra_plugins: |
             @semantic-release/git
             @semantic-release/changelog

src/handleOptions.js

@@ -9,8 +9,18 @@ exports.handleBranchOption = () => {
   const branchOption = {};
   const branch = core.getInput(inputs.branch);
 
-  if (branch) {
+  if (!branch) {
+    return branchOption;
+  }
+
+  const semanticVersion = require('semantic-release/package.json').version;
+  const semanticMajorVersion = Number(semanticVersion.replace(/\..+/g, ''));
+  core.debug(`semanticMajorVersion: ${semanticMajorVersion}`);
+
+  if (semanticMajorVersion < 16) {
     branchOption.branch = branch;
+  } else {
+    branchOption.branches = [branch];
   }
 
   return branchOption;