fix: don't crash if codegenConfig is not defined in package.json (#716)

This will prevent undefined from being thrown as error and actual error
will be thrown.

#713

Co-authored-by: Ritesh Shukla2 <[email protected]>

Author: riteshshukla04

packages/react-native-builder-bob/src/utils/patchCodegenAndroidPackage.ts

@@ -20,7 +20,7 @@ export async function patchCodegenAndroidPackage(
   report: Report
 ) {
   let codegenAndroidPath: string | undefined =
-    packageJson.codegenConfig.outputDir.android;
+    packageJson.codegenConfig?.outputDir?.android;
   if (!codegenAndroidPath) {
     throw new Error(
       `Your package.json doesn't contain codegenConfig.outputDir.android. Please see ${CODEGEN_DOCS}`