Dotty

in CI, use new standard scala/cla-checker action #33616

Job	Run time
test	52m 15s
test_non_bootstrapped	0s
test_windows_fast	32m 27s
test_scala2_library_tasty	0s
community_build_a	50m 5s
community_build_b	1h 20m 43s
MiMa	12m 24s
test_windows_full	0s
build-msi-package	0s
community_build_c	1h 3m 37s
test_java8	0s
test_sbt	17m 48s
build-sdk-package / build	7m 52s
test-msi-package	0s
build-chocolatey-package / build	20s
test-chocolatey-package	0s
publish_nightly	0s
publish_release	0s
nightly_documentation	0s
open_issue_on_failure	0s
	5h 17m 31s

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