fix: correctly parse thinking content from gemma4 (#8407)

Signed-off-by: jh-block <jhugo@block.xyz>

Cargo.lock

@@ -5860,9 +5860,9 @@ checksum = "11d3d7f243d5c5a8b9bb5d6dd2b1602c0cb0b9db1621bafc7ed66e35ff9fe092"
 
 [[package]]
 name = "llama-cpp-2"
-version = "0.1.142"
+version = "0.1.143"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f04fe7a4b6836bff1966eb8c35e5e121f573641887526d9f997e9c10a64d1bc"
+checksum = "d564eb5d7ae88f596e7636ffd549e0f27f4c938a7c7841bb91e2a92c248c9ccb"
 dependencies = [
  "encoding_rs",
  "enumflags2",
@@ -5874,9 +5874,9 @@ dependencies = [
 
 [[package]]
 name = "llama-cpp-sys-2"
-version = "0.1.142"
+version = "0.1.143"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95ef4708a34c686a2686f9a57050df3b5384ff346dcbfb8ee47b5814f4dcfc90"
+checksum = "2f2cf3435dbadb87817e0a95325c818cd89d43026e8ba1ddd32f1d980d96f33d"
 dependencies = [
  "bindgen",
  "cc",