chore(deps): update tonic monorepo to 0.12.0

Author: renovate[bot]

Cargo.lock

@@ -11,7 +11,7 @@ hyper = { version = "0.14.28", features = ["full"] }
 tokio = { version = "1.37.0", features = ["full"] }
 headers = { workspace = true }
 tonic = "0.11.0"
-tonic-reflection = "0.11.0"
+tonic-reflection = "0.12.0"
 prost = "0.12.4"
 prost-types = "0.12.4"
 tower = "0.4.13"
@@ -37,5 +37,5 @@ http = { workspace = true }
 
 [build-dependencies]
 protoc-bin-vendored = "3.0.0"
-tonic-build = "0.11.0"
+tonic-build = "0.12.0"
 tailcall-fixtures = { path = "../tailcall-fixtures" }