2.12.0 wasn't released in April

Author: ST-DDT

docs/en/versions.md

@@ -47,7 +47,7 @@ Current version.
 
 | Version | spring-boot | gRPC | Date |
 |:-------:|:-----------:|:----:| ---: |
-| 2.12.0* | 2.4.5 | 1.37.0 | Apr, 2021 |
+| 2.12.0* | 2.4.5 | 1.37.0 | Mai, 2021 |
 | 2.11.0 | 2.3.8 | 1.35.0 | Feb, 2021 |
 | 2.10.1 | 2.3.3 | 1.31.1 | Aug, 2020 |
 | 2.10.0 | 2.3.3 | 1.31.1 | Aug, 2020 |