fix: missing flamegraph feature in pprof dependency (#7158)

fix: fix pprof deps

Signed-off-by: WenyXu <wenymedia@gmail.com>

src/cmd/Cargo.toml

@@ -71,7 +71,6 @@ nu-ansi-term = "0.46"
 object-store.workspace = true
 parquet = { workspace = true, features = ["object_store"] }
 plugins.workspace = true
-pprof = "0.14.0"
 prometheus.workspace = true
 prost.workspace = true
 query.workspace = true
@@ -93,6 +92,11 @@ toml.workspace = true
 tonic.workspace = true
 tracing-appender.workspace = true
 
+[target.'cfg(unix)'.dependencies]
+pprof = { version = "0.14", features = [
+    "flamegraph",
+] }
+
 [target.'cfg(not(windows))'.dependencies]
 tikv-jemallocator = "0.6"