ghc-base64-0.4.2.3-bp154.2.11

- Update base64 to version 0.4.2.3 revision 2.
  Upstream has revised the Cabal build instructions on Hackage.

- Update base64 to version 0.4.2.3 revision 1.
  Upstream has revised the Cabal build instructions on Hackage.

- Update base64 to version 0.4.2.3.
  [#]# 0.4.2.3
  * Minor release for stackage, limiting memory usage in test suites.
  * Transition to Github Actions CI

- disable %{ix86} build

- Add base64 at version 0.4.2.2 revision 1.