Update Rust SDK logs version requirement to 0.42.0 (#14882)

ref getsentry/sentry#99286

Author: AbhiPrasad

docs/platforms/rust/common/logs/index.mdx

@@ -9,7 +9,7 @@ With Sentry Structured Logs, you can send text-based log information from your a
 
 ## Requirements
 
-Logs in Rust are supported in Sentry Rust SDK version `0.39.0` and above.
+Logs in Rust are supported in Sentry Rust SDK version `0.42.0` and above.
 Additionally, the `logs` feature flag needs to be enabled.
 
 ```toml {filename:Cargo.toml}