ci: clear unused tools before dagger runs #13089

Job	Run time
CLI Integration Tests	7m 13s
Integration Tests (api/sqlite)	6m 45s
Integration Tests (api/libsql)	6m 35s
Integration Tests (api/postgres)	6m 59s
UI Integration Tests	8m 52s
Integration Tests (api/mysql)	6m 54s
Integration Tests (api/cockroach)	6m 50s
Integration Tests (api/cache)	6m 36s
Integration Tests (api/cachetls)	6m 55s
Integration Tests (api/snapshot)	6m 38s
Integration Tests (api/ofrep)	7m 15s
Integration Tests (fs/git)	6m 46s
Integration Tests (fs/local)	6m 44s
Integration Tests (fs/s3)	6m 49s
Integration Tests (fs/oci)	6m 45s
Integration Tests (fs/azblob)	6m 39s
Integration Tests (fs/gcs)	6m 55s
Integration Tests (import/export)	7m 41s
Integration Tests (authn)	7m 49s
Integration Tests (authz)	7m 49s
	2h 21m 29s

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