hs-v3: Add changes file for ticket #30382

Signed-off-by: David Goulet <dgoulet@torproject.org>

changes/ticket30382

+  o Major feature (onion service, SOCKS5):
+    - Introduce a new SocksPort flag named: ExtendedErrors. Detailed in
+      proposal 304, a number of onion service error codes are now sent back,
+      if this flag is set, with the SOCKS5 protocol using new custom error
+      values. Closes ticket 30382;