fix: zepter feature propagation for runtime-benchmarks

- Add pezsp-timestamp/runtime-benchmarks to pezframe-support
- Add runtime-benchmarks feature to pezkuwi-zombienet-cli

Fixes feature propagation issues detected by zepter.

bizinikiwi/pezframe/support/Cargo.toml

@@ -102,6 +102,7 @@ runtime-benchmarks = [
 	"pezsp-staking/runtime-benchmarks",
 	"pezsp-state-machine?/runtime-benchmarks",
 	"pezsp-trie/runtime-benchmarks",
+	"pezsp-timestamp/runtime-benchmarks"
 ]
 try-runtime = [
 	"pezframe-system/try-runtime",