xata-cli: bump pgstream to v1.2.1 (#2758)

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>

Synced from monorepo@a48820cbdbf297fae50bec9ec0ff3870d8420d6d

Author: kvch

.sync-commit

@@ -1 +1 @@
-ec268d78181c6c5894c1292b9cfcc2a62123345d
+a48820cbdbf297fae50bec9ec0ff3870d8420d6d

src/lib/constants.ts

@@ -17,4 +17,4 @@ export const DEFAULT_CLONE_LOCAL_CONFIG_PATH = `.${CLI_NAME}/config.ts`;
  * the "Complete Migration" action via workflow_dispatch.
  */
 export const PINNED_PGROLL_BINARY_VERSION = '0.16.1';
-export const PINNED_PGSTREAM_BINARY_VERSION = '1.2.0';
+export const PINNED_PGSTREAM_BINARY_VERSION = '1.2.1';