Update filename of sample DB (#20194)

bin/build-for-test

.../__support__/e2e/commands/database/addH2SampleDatabase.js

frontend/test/__support__/sample_database_fixture.json

...nd/test/metabase/scenarios/admin/databases/add.cy.spec.js

...d/test/metabase/scenarios/admin/databases/edit.cy.spec.js

frontend/test/metabase/scenarios/question/new.cy.spec.js

frontend/test/snapshot-creators/default.cy.snap.js

resources/sample-database.db.mv.db

src/metabase/sample_data.clj