chore(cargo): bump axum from 0.6.19 to 0.6.20

Bumps [axum](https://github.com/tokio-rs/axum) from 0.6.19 to 0.6.20.
- [Release notes](https://github.com/tokio-rs/axum/releases)
- [Changelog](https://github.com/tokio-rs/axum/blob/main/CHANGELOG.md)
- [Commits](https://github.com/tokio-rs/axum/compare/axum-v0.6.19...axum-v0.6.20)

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

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

Cargo.lock

@@ -301,9 +301,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "axum"
-version = "0.6.19"
+version = "0.6.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a6a1de45611fdb535bfde7b7de4fd54f4fd2b17b1737c0a59b69bf9b92074b8c"
+checksum = "3b829e4e32b91e643de6eafe82b1d90675f5874230191a4ffbc1b336dec4d6bf"
 dependencies = [
  "async-trait",
  "axum-core",
@@ -4899,9 +4899,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-tungstenite"
-version = "0.19.0"
+version = "0.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec509ac96e9a0c43427c74f003127d953a265737636129424288d27cb5c4b12c"
+checksum = "2b2dbec703c26b00d74844519606ef15d09a7d6857860f84ad223dec002ddea2"
 dependencies = [
  "futures-util",
  "log",
@@ -5111,9 +5111,9 @@ checksum = "3528ecfd12c466c6f163363caf2d02a71161dd5e1cc6ae7b34207ea2d42d81ed"
 
 [[package]]
 name = "tungstenite"
-version = "0.19.0"
+version = "0.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15fba1a6d6bb030745759a9a2a588bfe8490fc8b4751a277db3a0be1c9ebbf67"
+checksum = "e862a1c4128df0112ab625f55cd5c934bcb4312ba80b39ae4b4835a3fd58e649"
 dependencies = [
  "byteorder",
  "bytes",

deltachat-jsonrpc/Cargo.toml

@@ -30,7 +30,7 @@ walkdir = "2.3.3"
 base64 = "0.21"
 
 # optional dependencies
-axum = { version = "0.6.18", optional = true, features = ["ws"] }
+axum = { version = "0.6.20", optional = true, features = ["ws"] }
 env_logger = { version = "0.10.0", optional = true }
 
 [dev-dependencies]