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### Description

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### Reproduction

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We use GitHub Issues for tracking bugs in React Native.

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--- Please use this template, and delete everything above this line before submitting your issue --- 

### Description

[FILL THIS OUT: Explain what you did, what you expected to happen, and what actually happens.]

### Reproduction

[FILL THIS OUT: Try to reproduce your bug on rnplay.org and provide a link. If you can't reproduce the bug on rnplay.org, provide a sample project.]

### Solution

[FILL THIS OUT: What needs to be done to address this issue? Ideally, provide a pull request with a fix.]

### Additional Information

* React Native version: [FILL THIS OUT: Does the bug reproduce on the latest RN release?]
* Platform: [FILL THIS OUT: iOS, Android, or both?]
* Operating System: [FILL THIS OUT: MacOS, Linux, or Windows?]
* Dev tools: [FILL THIS OUT: Xcode or Android Studio version, iOS or Android SDK version, if applicable]

Add dev tools version to new issue template
Add dev tools version to new issue template

Summary:
It's sometimes helpful to provide the Xcode version being used, as in the case of #12795.
Closes https://github.com/facebook/react-native/pull/12811

Differential Revision: D4677123

Pulled By: hramos

fbshipit-source-id: 28890d1ac65400d4e98ae2eb77e2d7a1a02b9d05
