chore(`ci`): merge in `codeql.yml` and mark as requirement for ci-success #269

Job	Run time
clippy	1m 3s
fmt	14s
Analyze (actions)	44s
docs	1m 1s
doctest	1m 10s
feature-checks	59s
test stable	1m 17s
test stable --no-default-features	1m 13s
test stable --all-features	1m 10s
test nightly --no-default-features	1m 14s
test nightly --all-features	1m 10s
test 1.88 --no-default-features	1m 7s
test nightly	1m 14s
test 1.88	1m 13s
deny / cargo deny check	19s
ci-success	5s
	15m 13s

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