Fix missing await

dist/index.js

@@ -4010,7 +4010,7 @@ async function getCommitCount() {
 }
 async function getLocalRef(shortName) {
     if (isGitSha(shortName)) {
-        return hasCommit(shortName) ? shortName : undefined;
+        return await hasCommit(shortName) ? shortName : undefined;
     }
     const output = (await exec_1.default('git', ['show-ref', shortName], { ignoreReturnCode: true })).stdout;
     const refs = output

src/git.ts

@@ -209,7 +209,7 @@ async function getCommitCount(): Promise<number> {
 
 async function getLocalRef(shortName: string): Promise<string | undefined> {
   if (isGitSha(shortName)) {
-    return hasCommit(shortName) ? shortName : undefined
+    return (await hasCommit(shortName)) ? shortName : undefined
   }
 
   const output = (await exec('git', ['show-ref', shortName], {ignoreReturnCode: true})).stdout