refactor(cli-hooks): use optional chaining check to gather project dependencies (#2548)

Co-authored-by: Eden Zimbelman <eden.zimbelman@salesforce.com>

Author: KirobotDev

.changeset/eleven-apples-retire.md

@@ -0,0 +1,5 @@
+---
+"@slack/cli-hooks": patch
+---
+
+refactor(cli-hooks): use optional chaining check to gather project dependencies

packages/cli-hooks/src/check-update.js

@@ -191,7 +191,7 @@ async function collectVersionInfo(packageName) {
 async function getProjectPackageVersion(packageName) {
   const stdout = await execWrapper(`npm list ${packageName} --depth=0 --json`);
   const currentVersionOutput = JSON.parse(stdout);
-  if (!currentVersionOutput.dependencies || !currentVersionOutput.dependencies[packageName]) {
+  if (!currentVersionOutput.dependencies?.[packageName]) {
     throw new Error(`Failed to gather project information about ${packageName}`);
   }
   return currentVersionOutput.dependencies[packageName].version;