Bump datatables from 1.10.20 to 1.10.21

Bumps [datatables](https://github.com/webjars/datatables) from 1.10.20 to 1.10.21.
- [Release notes](https://github.com/webjars/datatables/releases)
- [Commits](webjars/datatables@datatables-1.10.20...datatables-1.10.21)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

pom.xml

@@ -20,7 +20,7 @@
   <properties>
     <revision>1.10.20-16</revision>
     <changelist>-SNAPSHOT</changelist>
-    <datatables.version>1.10.20</datatables.version>
+    <datatables.version>1.10.21</datatables.version>
 
     <datatables-responsive.version>2.2.3</datatables-responsive.version>
     <datatables-colreorder.version>1.5.1-1</datatables-colreorder.version>