fix: Add optional chaining to workspace checking

Author: LekoArts

.changeset/kind-garlics-battle.md

@@ -0,0 +1,5 @@
+---
+"secco": patch
+---
+
+Add optional chaining check when checking for workspace packages

src/utils/check-deps-changes.ts

@@ -134,7 +134,7 @@ export async function checkDepsChanges(args: CheckDependencyChangesArgs) {
         continue
       }
 
-      if (sourcePkgJson.dependencies[key].startsWith('workspace:') || sourcePkgJson.dependencies[key]?.startsWith('catalog:')) {
+      if (sourcePkgJson.dependencies[key]?.startsWith('workspace:') || sourcePkgJson.dependencies[key]?.startsWith('catalog:')) {
         // If the source is using pnpm workspaces with workspace or catalog protocols, the dependencies were adjusted in the "adjustPackageJson" function. The change from specific versions back to "workspace:" or "catalog:" should be ignored here
 
         // The check is also necessary because otherwise after a "--force-verdaccio" it tries to publish the packages again