convert-timezone for postgres (#25698)

frontend/src/metabase-lib/expressions/config.js

frontend/src/metabase-lib/expressions/helper-text-strings.ts

frontend/src/metabase-lib/expressions/typeinferencer.js

.../metabase/scenarios/custom-column/cc-data-type.cy.spec.js

modules/drivers/redshift/src/metabase/driver/redshift.clj

shared/src/metabase/mbql/predicates.cljc

shared/src/metabase/mbql/schema.cljc

src/metabase/driver.clj

src/metabase/driver/postgres.clj

src/metabase/query_processor/middleware/annotate.clj

src/metabase/query_processor/middleware/format_rows.clj

src/metabase/sync/analyze/query_results.clj

test/metabase/query_processor/middleware/annotate_test.clj

.../metabase/query_processor/middleware/format_rows_test.clj

...se/query_processor_test/date_time_zone_functions_test.clj