feat: support DDL statements in SqlToSubstrait #1418

Job	Run time
Lint commits for semantic-release	16s
Build and Test Java	4m 49s
osv-scanner (core)	1m 58s
osv-scanner (isthmus-cli)	2m 18s
osv-scanner (isthmus)	1m 59s
Check editorconfig	6s
Security validation	8s
Dry-run release	22s
Build Examples	3m 25s
Build Isthmus Native Image (macOS-latest)	1h 17m 43s
Build Isthmus Native Image (ubuntu-latest)	6m 20s
	1h 39m 24s

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