fix(template, ios): add marketing version to template project (#35012)

Summary:
Recently this PR got merged #34919 that aligned the info.plist to the current default. Problem: the variable `MARKETING_VERSION` was not set in the template, so generating a new project and testing on iOS would fail accordingly:

<img width="1400" alt="Screenshot 2022-10-18 at 15 27 27" src="https://user-images.githubusercontent.com/16104054/196461640-470079f5-0f64-471f-8221-0d17f2b0114f.png">

This PR takes care of setting the variable so that the app can build successfully.

## Changelog

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[iOS] [Fixed] - add MARKETING_VERSION to template project

Pull Request resolved: #35012

Test Plan: Run `yarn test-e2e-local -t RNTestProject`, apps builds correctly and runs on simulator.

Reviewed By: cipolleschi

Differential Revision: D40472420

Pulled By: cortinico

fbshipit-source-id: 18ddd57ce54186a101321583a7a8391e97ca9511

template/ios/HelloWorld.xcodeproj/project.pbxproj

@@ -492,6 +492,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
+				MARKETING_VERSION = 1.0;
 				OTHER_LDFLAGS = (
 					"$(inherited)",
 					"-ObjC",
@@ -517,6 +518,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
+				MARKETING_VERSION = 1.0;
 				OTHER_LDFLAGS = (
 					"$(inherited)",
 					"-ObjC",