chore: add aibridge data to telemetry (#20449)

- Adds a new table to keep track of which payloads have already been
reported since we only report for the last clock hour
- Adds a query to gather and aggregate all the data by
provider/model/client

Relates to https://github.com/coder/coder-telemetry-server/issues/27

coderd/database/queries/telemetrylocks.sql

@@ -0,0 +1,17 @@
+-- name: InsertTelemetryLock :exec
+-- Inserts a new lock row into the telemetry_locks table. Replicas should call
+-- this function prior to attempting to generate or publish a heartbeat event to
+-- the telemetry service.
+-- If the query returns a duplicate primary key error, the replica should not
+-- attempt to generate or publish the event to the telemetry service.
+INSERT INTO
+    telemetry_locks (event_type, period_ending_at)
+VALUES
+    ($1, $2);
+
+-- name: DeleteOldTelemetryLocks :exec
+-- Deletes old telemetry locks from the telemetry_locks table.
+DELETE FROM
+    telemetry_locks
+WHERE
+    period_ending_at < @period_ending_at_before::timestamptz;