Bump to 0.4.6

Author: umanwizard

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "custom-labels"
-version = "0.4.5"
+version = "0.4.6"
 edition = "2021"
 license = "Apache-2.0"
 keywords = ["profiling", "pprof", "polarsignals", "parca"]