fix(admin): approving/rejecting a company no longer returns a 500

AdminService declared a CompanyProfile return but the companies service returns
void, so a TypeError fired after the change was committed.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

app/Modules/Admin/Services/AdminService.php

@@ -109,14 +109,14 @@ class AdminService
             ->paginate(min((int) ($filters['per_page'] ?? 25), 100));
     }
 
-    public function approveCompany(CompanyProfile $company, User $admin): CompanyProfile
+    public function approveCompany(CompanyProfile $company, User $admin): void
     {
-        return $this->companyService->approve($company, $admin);
+        $this->companyService->approve($company, $admin);
     }
 
-    public function rejectCompany(CompanyProfile $company, User $admin, string $reason): CompanyProfile
+    public function rejectCompany(CompanyProfile $company, User $admin, string $reason): void
     {
-        return $this->companyService->reject($company, $admin, $reason);
+        $this->companyService->reject($company, $admin, $reason);
     }
 
     public function startImpersonation(User $admin, User $target): void