Merge branch 'jk/bisect-peel-tag-fix'

"git bisect" reimplemented more in C during 2.30 timeframe did not
take an annotated tag as a good/bad endpoint well.  This regression
has been corrected.

* jk/bisect-peel-tag-fix:
  bisect: peel annotated tags to commits

diff --cc builtin/bisect--helper.c
Simple merge

diff --cc t/t6030-bisect-porcelain.sh
Simple merge