After release cleanups.

mp911de · mp911de · commit 2b4c3a6a3479 · 2023-01-13T10:35:34.000+01:00
See #1864
diff --git a/parent/pom.xml b/parent/pom.xml
@@ -139,7 +139,7 @@
 		<javax-annotation-api>1.3.2</javax-annotation-api>
 
 		<!-- Used in asciidoc reference documentation -->
-		<releasetrain>2021.2.7</releasetrain>
+		<releasetrain>2021.2.8-SNAPSHOT</releasetrain>
 
 		<!-- To be overridden by individual modules -->
 		<java-module-name/>
