Upgrade async-openai (0.31.1 -> 0.32.1) and adapt, adding support for gpt-image-1.5

Cargo.lock

@@ -179,9 +179,9 @@ dependencies = [
 
 [[package]]
 name = "async-openai"
-version = "0.31.1"
+version = "0.32.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1cc4c602409022b854d89332fae01a6c69a4122fdd0ec66a071b9b5c3a87750b"
+checksum = "e0827dbb7b06f98bf01e4aa4a4913adb17b4d1d6d4e82c0e905a84e5dcc95270"
 dependencies = [
  "async-openai-macros",
  "backoff",
@@ -190,6 +190,7 @@ dependencies = [
  "derive_builder 0.20.2",
  "eventsource-stream",
  "futures",
+ "getrandom 0.3.4",
  "rand 0.9.2",
  "reqwest 0.12.25",
  "reqwest-eventsource 0.6.0",
@@ -207,9 +208,9 @@ dependencies = [
 
 [[package]]
 name = "async-openai-macros"
-version = "0.1.0"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0289cba6d5143bfe8251d57b4a8cac036adf158525a76533a7082ba65ec76398"
+checksum = "81872a8e595e8ceceab71c6ba1f9078e313b452a1e31934e6763ef5d308705e4"
 dependencies = [
  "proc-macro2",
  "quote",