Bump haddock submodule with fix to #24853

It appears that this reversion was not merged to ghc-9.10, again
breaking quick-jump in `base`'s Haddocks.

Also bump version to 2.31

Fixes #24853.

haddock @ f544dcee

-Subproject commit bda1fa14a8dd03eebae4a1225b1a422e5d87906c
+Subproject commit f544dcee2f8f6bafae568a62d3095422ea247599