build(deps): bump native-tls from 0.2.5 to 0.2.6

Bumps [native-tls](https://github.com/sfackler/rust-native-tls) from 0.2.5 to 0.2.6.
- [Release notes](https://github.com/sfackler/rust-native-tls/releases)
- [Changelog](https://github.com/sfackler/rust-native-tls/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sfackler/rust-native-tls/compare/v0.2.5...v0.2.6)

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

Cargo.lock

@@ -667,9 +667,9 @@ dependencies = [
 
 [[package]]
 name = "native-tls"
-version = "0.2.5"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a1cda389c26d6b88f3d2dc38aa1b750fe87d298cc5d795ec9e975f402f00372"
+checksum = "6fcc7939b5edc4e4f86b1b4a04bb1498afaaf871b1a6691838ed06fcb48d3a3f"
 dependencies = [
  "lazy_static",
  "libc",