chore: Enable "multipart" feature of reqwest (#7084)

Signed-off-by: Graham King <grahamk@nvidia.com>

Cargo.toml

@@ -97,6 +97,7 @@ parking_lot = "0.12.5"
 prometheus = { version = "0.14"}
 rand = { version = "0.9.2" }
 reqwest = { version = "0.12.24", default-features = false, features = [
+    "multipart",
     "json",
     "stream",
     "rustls-tls",

lib/runtime/examples/Cargo.lock

@@ -2001,6 +2001,16 @@ version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
 
+[[package]]
+name = "mime_guess"
+version = "2.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7c44f8e672c00fe5308fa235f821cb4198414e1c77935c1ab6948d3fd78550e"
+dependencies = [
+ "mime",
+ "unicase",
+]
+
 [[package]]
 name = "mio"
 version = "0.6.23"
@@ -2897,6 +2907,7 @@ dependencies = [
  "hyper-util",
  "js-sys",
  "log",
+ "mime_guess",
  "percent-encoding",
  "pin-project-lite",
  "quinn",