release-74-2
ICU-22583 BRS74: Version number update for 74.2
ICU-21833 remove redundant void parameter lists
ICU-22341 commit checker: umbrella, explanations
ICU-21958 BRS72 Updated ISO currency data URLs
ICU-20033 Add a top-level README.md (#11)
ICU-22220 Add a step to instructions and fix an obsolete path.
ICU-22349 Use -l with make -j to limit jobs based on load average.
ICU-13392 move IcuCodeTools to separate repo
ICU-22404 new properties IDS_Unary_Operator, ID_Compat_Math_*, NFKC_SCF
ICU-21964 use a single LICENSE file