feat: add path filtering for commits script

[just-mitch]

Add --paths and --exclude-paths options for the scripts/commits utility.
Enables one to get a nice view of changes between versions, including and excluding specific paths.

./scripts/commits --grep 'feat|fix|refactor' \
--paths "yarn-project*" \
--exclude-paths "avm-transpiler*" \
--exclude-paths "barretenberg*" \
--exclude-paths "bb-pilcom*" \
--exclude-paths "boxes*" \
--exclude-paths "noir*" \
--exclude-paths "noir-projects/*" \
v2.1.9..v3.0.0-rc.1 1000 -g --markdown