Backport of ci: remove test splitting for compatibility tests into release/1.13.x#17250

hc-github-team-consul-core wants to merge 3 commits intorelease/1.13.xhashicorp/consul:release/1.13.xfrom

backport/jm/remove-compat-test-splitting/rationally-wondrous-krillhashicorp/consul:backport/jm/remove-compat-test-splitting/rationally-wondrous-krillCopy head branch name to clipboard