Prepare for release

- Bump minor version to 2.1
- Document fix in changelog
- Document improved compatibility in README

Author: bigdaz

Diff for: README.md

@@ -38,7 +38,8 @@ This table details the version compatibility of the Common Custom User Data Grad
 | ---------------------------------------------- | ---------------------------------------- | -------------- |
 | `1.0+`                                         | `3.0+`                                   | `5.0+`         | 
 | `1.7+`                                         | `1.15+`, `3.2+`                          | `4.0+`         |
-| `2.0+`                                         | `1.15+`, `3.11+`                         | `4.0+`         |
+| `2.0`                                          | `1.15+`, `3.11+`                         | `4.0+`         |
+| `2.1+`                                         | `1.15+`, `3.2+`                          | `4.0+`         |
 
 ## Captured data
 

Diff for: release/changes.md

@@ -1 +1 @@
-- [NEW] TBD
+- [NEW] Improved compatibility with older Develocity plugin versions

Diff for: release/version.txt

@@ -1 +1 @@
-2.0.3
+2.1