build(deps): bump Externals/zlib from ceadaf2 to 545f194

Bumps [Externals/zlib](https://github.com/madler/zlib) from `ceadaf2` to `545f194`.
- [Release notes](https://github.com/madler/zlib/releases)
- [Commits](madler/zlib@ceadaf2...545f194)

---
updated-dependencies:
- dependency-name: Externals/zlib
  dependency-type: direct:production
...

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