Deprecate /v0/transactions even harder (hyperledger-labs#2148)

Apparently our current disclaimer was not clear enough for people to
not build on /v0/transactions. Wording was cleared with Bernhard.

[static]

Signed-off-by: Moritz Kiefer <moritz.kiefer@purelyfunctional.org>
Co-authored-by: Moritz Kiefer <moritz.kiefer@purelyfunctional.org>

Author: moritzkiefer-da

apps/scan/src/main/openapi/scan.yaml

@@ -1431,7 +1431,9 @@ paths:
       x-jvm-package: scan
       operationId: "listTransactionHistory"
       description: |
-        **Deprecated**. Lists transactions, by default in ascending order, paged, from ledger begin or optionally starting after a provided event id.
+        **Deprecated with known bugs that will not be fixed, use /v2/updates instead**.
+
+        Lists transactions, by default in ascending order, paged, from ledger begin or optionally starting after a provided event id.
       requestBody:
         required: true
         content: