Bump cocoapods-downloader from 1.2.2 to 1.6.3 (#497)

Bumps [cocoapods-downloader](https://github.com/CocoaPods/cocoapods-downloader) from 1.2.2 to 1.6.3.
- [Release notes](https://github.com/CocoaPods/cocoapods-downloader/releases)
- [Changelog](https://github.com/CocoaPods/cocoapods-downloader/blob/master/CHANGELOG.md)
- [Commits](CocoaPods/cocoapods-downloader@1.2.2...1.6.3)

---
updated-dependencies:
- dependency-name: cocoapods-downloader
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -36,7 +36,7 @@ GEM
  fuzzy_match (~> 2.0.4)
  nap (~> 1.0)
  cocoapods-deintegrate (1.0.4)
- cocoapods-downloader (1.2.2)
+ cocoapods-downloader (1.6.3)
  cocoapods-plugins (1.0.0)
  nap
  cocoapods-search (1.0.0)