Bump winit from 0.29.10 to 0.29.15

Bumps [winit](https://github.com/rust-windowing/winit) from 0.29.10 to 0.29.15.
- [Release notes](https://github.com/rust-windowing/winit/releases)
- [Changelog](https://github.com/rust-windowing/winit/blob/v0.29.15/CHANGELOG.md)
- [Commits](rust-windowing/winit@v0.29.10...v0.29.15)

---
updated-dependencies:
- dependency-name: winit
  dependency-version: 0.29.15
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.lock

@@ -11,7 +11,7 @@ name = "lambda_platform"
 path = "src/lib.rs"
 
 [dependencies]
-winit = "=0.29.10"
+winit = "=0.29.15"
 shaderc = { version = "=0.7", optional = true, default-features = false }
 naga = { version = "=26.0.0", optional = true, default-features = false, features = ["spv-out", "glsl-in", "wgsl-in"] }
 rand = "=0.8.5"