cargo: Bump str0m to 0.22 (#639)

Tiny PR to bump str0m to 0.22 which is needed to unblock smoldot CI
testing and includes the fix:
- algesten/str0m#1010
- together with SCTP fixes to make reset of streaming more robust

---------

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

Author: lexnv

Cargo.lock

@@ -87,7 +87,7 @@ rcgen = { version = "0.14.5", optional = true }
 # End of Quic related dependencies.
 
 # WebRTC related dependencies. WebRTC is an experimental feature flag. The dependencies must be updated.
-str0m = { version = "0.21.0", default-features = false, features = ["openssl", "vendored"], optional = true }
+str0m = { version = "0.22.0", default-features = false, features = ["openssl", "vendored"], optional = true }
 # End of WebRTC related dependencies.
 
 # Fuzzing related dependencies.