Bump com.diffplug.spotless from 7.2.1 to 8.0.0 #5257

Job	Run time
Run examples in 'session-example' on PostgreSQL	2m 11s
Run examples in 'session-example' on MySQL	2m 4s
Test with Java 21	3m 32s
Test with Java 26-ea	3m 50s
Test with MySQL	4m 22s
Test with MariaDB	4m 12s
Test with Java 24	3m 56s
Test with Java 17	4m 3s
Test with Java 20	3m 33s
Test with MSSQLServer	4m 32s
Test with Oracle	5m 29s
Run examples in 'native-sql-example' on PostgreSQL	2m 28s
Test with Db2	5m 48s
Test with PostgreSQL	3m 51s
Test with CockroachDB	6m 17s
Test with Java 25	4m 1s
	1h 4m 9s

Provide feedback