build(deps): bump rustls from 0.20.3 to 0.20.4 (#1510)

Bumps [rustls](https://github.com/rustls/rustls) from 0.20.3 to 0.20.4.
- [Release notes](https://github.com/rustls/rustls/releases)
- [Changelog](https://github.com/rustls/rustls/blob/main/RELEASE_NOTES.md)
- [Commits](rustls/rustls@v/0.20.3...v/0.20.4)

---
updated-dependencies:
- dependency-name: rustls
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.lock

@@ -2160,9 +2160,9 @@ dependencies = [
 
 [[package]]
 name = "rustls"
-version = "0.20.3"
+version = "0.20.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b323592e3164322f5b193dc4302e4e36cd8d37158a712d664efae1a5c2791700"
+checksum = "4fbfeb8d0ddb84706bc597a5574ab8912817c52a397f819e5b614e2265206921"
 dependencies = [
  "log",
  "ring",