Add links for AspectJ 1.9.21.2

Signed-off-by: Alexander Kriegisch <Alexander@Kriegisch.name>

docs/index.adoc

@@ -97,7 +97,7 @@ JDK to run
 
 |Release notes |Release notes, describing new features, improvements, bugfixes per AspectJ version: +
  +
-xref:release/README-1.9.21.adoc[1.9.21 / 1.9.21.1], xref:release/README-1.9.20.adoc[1.9.20 / 1.9.20.1],
+xref:release/README-1.9.21.adoc[1.9.21 / 1.9.21.1 / 1.9.21.2], xref:release/README-1.9.20.adoc[1.9.20 / 1.9.20.1],
 xref:release/README-1.9.19.adoc[1.9.19], xref:release/README-1.9.9.adoc[1.9.9 / 1.9.9.1],
 xref:release/README-1.9.8.adoc[1.9.8], xref:release/README-1.9.7.adoc[1.9.7],
 xref:release/README-1.9.6.adoc[1.9.6], xref:release/README-1.9.5.adoc[1.9.5],

docs/release/JavaVersionCompatibility.adoc

@@ -8,7 +8,7 @@ be easily concluded from the AspectJ version number anymore, and we are sorry fo
 [%autowidth, stripes=even, options="header"]
 |===
 |AspectJ version |Java version |Comments
-|1.9.21 - 1.9.21.1 |21 |AspectJ compiler requires JDK 17+ during build time. During runtime, AspectJ still only requires Java 8+ for both compile-time and load-time weaving. Pure Java code can be compiled down to as old as 1.3 byte code level.
+|1.9.21 - 1.9.21.2 |21 |AspectJ compiler requires JDK 17+ during build time. During runtime, AspectJ still only requires Java 8+ for both compile-time and load-time weaving. Pure Java code can be compiled down to as old as 1.3 byte code level.
 |1.9.20 - 1.9.20.1 |20 |
 |1.9.19 |19 |
 |1.9.9 - 1.9.9.1 |18 |