Merge branch 'rs/name-rev-fix-free-after-use' into maint

Regression fix for 2.36 where "git name-rev" started to sometimes reference strings after they are freed. This fixes a regression in 2.36 and is slate to go to 2.36.1 source: <340c8810-d912-7b18-d46e-a9d43f20216a@web.de> * rs/name-rev-fix-free-after-use: Revert "name-rev: release unused name strings"