Swift: Bump github.com/swift-server/swift-service-lifecycle

Bumps the swift-dependencies group with 1 update: [github.com/swift-server/swift-service-lifecycle](https://github.com/swift-server/swift-service-lifecycle).


Updates `github.com/swift-server/swift-service-lifecycle` from 2.6.2 to 2.6.3
- [Release notes](https://github.com/swift-server/swift-service-lifecycle/releases)
- [Commits](swift-server/swift-service-lifecycle@2.6.2...2.6.3)

---
updated-dependencies:
- dependency-name: github.com/swift-server/swift-service-lifecycle
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: swift-dependencies
...

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

Author: dependabot[bot]