build: update prop-types requirement to 15.6.2 in /electron

[dependabot-preview]

Updates the requirements on prop-types to permit the latest version.

Changelog

Sourced from prop-types's changelog.

15.6.2

• Remove the fbjs dependency by inlining some helpers from it (#194))

15.6.1

• Fix an issue where outdated BSD license headers were still present in the published bundle #162

15.6.0

• Switch from BSD + Patents to MIT license
• Add PropTypes.exact, like PropTypes.shape but warns on extra object keys. ([thejameskyle](https://github.com/thejameskyle) and [aweary](https://github.com/aweary) in #41 and #87)

15.5.10

• Fix a false positive warning when using a production UMD build of a third-party library with a DEV version of React. ([gaearon](https://github.com/gaearon) in #50)

15.5.9

• Add loose-envify Browserify transform for users who don't envify globally. ([mridgway](https://github.com/mridgway) in #45)

15.5.8

• Limit the manual PropTypes call warning count because it has false positives with React versions earlier than 15.2.0 in the 15.x branch and 0.14.9 in the 0.14.x branch. ([gaearon](https://github.com/gaearon) in #26)

15.5.7

• Critical Bugfix: Fix an accidental breaking change that caused errors in production when used through React.PropTypes. ([gaearon](https://github.com/gaearon) in #20)
• Improve the size of production UMD build. ([aweary](https://github.com/aweary) in 38ba18 and 7882a7)

15.5.6

Note: this release has a critical issue and was deprecated. Please update to 15.5.7 or higher.

• Fix a markdown issue in README. ([bvaughn](https://github.com/bvaughn) in 174f77)

15.5.5

Note: this release has a critical issue and was deprecated. Please update to 15.5.7 or higher.

• Add missing documentation and license files. ([bvaughn](https://github.com/bvaughn) in 0a53d3)

15.5.4

Note: this release has a critical issue and was deprecated. Please update to 15.5.7 or higher.

• Reduce the size of the UMD Build. ([acdlite](https://github.com/acdlite) in 31e9344)
• Remove bad package url. ([ljharb](https://github.com/ljharb) in 158198f)
• Remove the accidentally included typechecking code from the production build.

15.5.3

... (truncated)

Commits

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