Update docs/maintainers/adr/0001-scala-cross-compilation.md

Co-authored-by: Oscar Duignan <[email protected]>

docs/maintainers/adr/0001-scala-cross-compilation.md

@@ -27,6 +27,7 @@ Chosen option "Do not allow scala cross compilation" because play-ui is a deprec
 
 * As adding scala cross compilation for version 2.13 would be implicitly supporting this deprecated library, we would not want to give service teams that are still using this library the wrong impression that we are still actively supporting it.
 * By adding scala cross compilation for version 2.13, we could be creating more work for ourselves as there could be issues when service teams still actively using this library upgrade there scala version to 2.13. We would end up supporting those queries which we shouldn't do as we do not actively support this deprecated library anymore.
+* There wouldn't be risk of needing to add cross compilation and not being able to- we've checked if we could if we wanted to
 
 ### Negative Consequences