Update links in reference manual

See gh-33245

framework-docs/modules/ROOT/pages/data-access/transaction/declarative/rolling-back.adoc

@@ -23,7 +23,7 @@ As of Spring Framework 5.2, the default configuration also provides support for
 Vavr's `Try` method to trigger transaction rollbacks when it returns a 'Failure'.
 This allows you to handle functional-style errors using Try and have the transaction
 automatically rolled back in case of a failure. For more information on Vavr's Try,
-refer to the https://docs.vavr.io/#_try[official Vavr documentation].
+refer to the https://vavr-io.github.io/vavr-docs/#_try[official Vavr documentation].
 Here's an example of how to use Vavr's Try with a transactional method:
 
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