chore: prepare opentelemetry_sdk 0.32.1 release (#3522)

Author: lalitb

opentelemetry-sdk/CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## vNext
 
+## 0.32.1
+
+Released 2026-May-23
+
 - `BaggagePropagator` now enforces the W3C Baggage maximum header length
   (8192 bytes) and maximum list-member count (64) when extracting an inbound
   `baggage` header. Headers exceeding 8192 bytes are dropped at the

opentelemetry-sdk/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "opentelemetry_sdk"
-version = "0.32.0"
+version = "0.32.1"
 description = "The SDK for the OpenTelemetry metrics collection and distributed tracing framework"
 homepage = "https://github.com/open-telemetry/opentelemetry-rust/tree/main/opentelemetry-sdk"
 repository = "https://github.com/open-telemetry/opentelemetry-rust/tree/main/opentelemetry-sdk"