fix: fix issue where wrapApiConfigurationError would fail to regex match a string due to boundary constraints on the regex

src/api-client.ts

@@ -245,7 +245,7 @@ export function wrapApiConfigurationError(e: unknown) {
     if (
       e.message.includes("API rate limit exceeded for installation") ||
       e.message.includes("commit not found") ||
-      /^ref .* not found in this repository$/.test(e.message)
+      /ref .* not found in this repository/.test(e.message)
     ) {
       return new ConfigurationError(e.message);
     }