acp: Bump agent-client-protocol sdk to 0.9.4 (#48356)

Release Notes:

- N/A

Cargo.lock

@@ -233,9 +233,9 @@ dependencies = [
 
 [[package]]
 name = "agent-client-protocol"
-version = "0.9.3"
+version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ea4b85f3bcd56ebe65f830321d34bc939af1b5a33b9dcb683195a3b72de0cdb"
+checksum = "2659b1089101b15db31137710159421cb44785ecdb5ba784be3b4a6f8cb8a475"
 dependencies = [
  "agent-client-protocol-schema",
  "anyhow",
@@ -250,9 +250,9 @@ dependencies = [
 
 [[package]]
 name = "agent-client-protocol-schema"
-version = "0.10.6"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70829a300bd178abe42836ac779cd3eb3b0dd3881250c752b2621b5324735df1"
+checksum = "44bc1fef9c32f03bce2ab44af35b6f483bfd169bf55cc59beeb2e3b1a00ae4d1"
 dependencies = [
  "anyhow",
  "derive_more 2.0.1",

Cargo.toml

@@ -458,7 +458,7 @@ ztracing_macro = { path = "crates/ztracing_macro" }
 # External crates
 #
 
-agent-client-protocol = { version = "=0.9.3", features = ["unstable"] }
+agent-client-protocol = { version = "=0.9.4", features = ["unstable"] }
 aho-corasick = "1.1"
 alacritty_terminal = { git = "https://github.com/zed-industries/alacritty", rev = "936aee8761a17affc84ab418ae21306c27c26221" }
 any_vec = "0.14"