Merge remote-tracking branch 'upstream/main' into test/main-into-flow-sec

# Conflicts:
#	Cargo.toml
#	src/api/model.rs
#	src/api/runtime_stats.rs
#	src/transport/middle_proxy/health.rs
#	src/transport/middle_proxy/health_regression_tests.rs
#	src/transport/middle_proxy/pool_status.rs

src/config/defaults.rs

@@ -615,6 +615,10 @@ pub(crate) fn default_me_pool_drain_ttl_secs() -> u64 {
     90
 }
 
+pub(crate) fn default_me_instadrain() -> bool {
+    false
+}
+
 pub(crate) fn default_me_pool_drain_threshold() -> u64 {
     128
 }