Bump org.assertj:assertj-core from 3.27.0 to 3.27.1 #511

Job	Run time
Checks on JDK 21 (javac+error-prone)	2m 46s
Checks on JDK 21 (ecj)	1m 10s
Checks on JDK 21 (dependency:analyze)	2m 6s
Checks on JDK 21 (pmd)	1m 57s
Checks on JDK 21 (cpd)	1m 32s
Checks on JDK 21 (spotbugs)	5m 48s
Checks on JDK 21 (checkstyle)	1m 43s
Checks on JDK 21 (javac+lint)	1m 57s
Checks on JDK 21 (javac+lint-all-warnings)	1m 23s
Checks on JDK 21 (check-copyrights)	2m 6s
Checks on JDK 21 (rewrite)	4m 3s
	26m 31s

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