testsuite: Bump performance meterics due to 3d38e8284b73
testsuite: Bump performance meterics due to 3d38e8284b73

This commit bumped T12425, T12234 and T12150 over their expected metrics on OS
X.

sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc