fix: comprehensive feature propagation and dep:serde fixes

- Fix serde optional dependency issues by adding dep:serde to serde features (24 crates)
- Run zepter to propagate runtime-benchmarks, std, try-runtime, serde, experimental, with-tracing, tuples-96 features
- Regenerate umbrella crate with proper feature propagation
- Format all TOML files with taplo

This resolves check-umbrella and check-zepter CI failures.

vendor/pezkuwi-subxt/utils/fetch-metadata/Cargo.toml

@@ -15,6 +15,12 @@ description = "subxt utility to fetch metadata"
 
 [features]
 url = ["dep:jsonrpsee", "dep:tokio", "dep:url", "frame-metadata"]
+std = [
+	"codec/std",
+	"frame-metadata?/std",
+	"hex/std",
+]
+serde = []
 
 [dependencies]
 codec = { package = "parity-scale-codec", workspace = true, features = ["derive", "std"] }

vendor/pezkuwi-subxt/utils/strip-metadata/Cargo.toml

@@ -28,3 +28,12 @@ default-features = true
 
 [lints]
 workspace = true
+
+[features]
+std = [
+	"codec/std",
+	"either/std",
+	"frame-metadata/std",
+	"scale-info/std",
+]
+serde = []