Upgrade async-openai (0.32.1 -> 0.32.2)

This brings in an important bugfix related to image generation.
Ref:
- https://github.com/64bit/async-openai/issues/507
- https://github.com/64bit/async-openai/pull/508

Cargo.toml

@@ -17,7 +17,7 @@ path = "src/lib.rs"
 [dependencies]
 anthropic = { git = "https://github.com/etkecc/anthropic-rs.git", branch = "fix-content-block-image" }
 anyhow = "1.0.*"
-async-openai = { version = "0.32.1", features = ["audio", "chat-completion", "image"] }
+async-openai = { version = "0.32.2", features = ["audio", "chat-completion", "image"] }
 base64 = "0.22.*"
 chrono = { version = "0.4.*", default-features = false, features = ["std", "now"] }
 # We'd rather not depend on this, but we cannot use the ruma-events EventContent macro without it.