update to rc and prepare changelog

Author: gabrielittner

CHANGELOG.md

@@ -1,8 +1,10 @@
 # Change Log
 
-## 0.31.0 **UNRELEASED**
+## 0.31.0 *(2025-03-06)*
 
 - Add support for publishing snapshots to Central Portal.
+    - Make sure to enable snapshots for your namespace on central.sonatype.com.
+    - Thanks to @solrudev for the contribution.
 - Add support for multiple matching staging profiles by taking the one with the longest
   matching prefix.
 

gradle/libs.versions.toml

@@ -4,7 +4,7 @@ moshi = "1.15.2"
 retrofit = "2.11.0"
 junit = "5.11.4"
 truth = "1.4.4"
-maven-publish = "0.30.0"
+maven-publish = "0.31.0-rc2"
 ktlint = "12.2.0"
 
 [libraries]