Bump tools/swift-sdk-generator from 3e7755c to e006f30

Bumps [tools/swift-sdk-generator](https://github.com/apple/swift-sdk-generator) from `3e7755c` to `e006f30`.
- [Commits](swiftlang/swift-sdk-generator@3e7755c...e006f30)

---
updated-dependencies:
- dependency-name: tools/swift-sdk-generator
  dependency-type: direct:production
...

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

Author: dependabot[bot]