Bump versions to 1.3.0 (#3005)

# Description of Changes

Bumped all versions to 1.3.0 in preparation for an upcoming minor
release.

# API and ABI breaking changes

No breaking changes.

# Expected complexity level and risk

1

# Testing

None

---------

Co-authored-by: Zeke Foppa <bfops@users.noreply.github.com>

Author: bfops

examples/quickstart-chat/src/module_bindings/identity_connected_reducer.ts

@@ -1,6 +1,6 @@
 {
   "name": "@clockworklabs/spacetimedb-sdk",
-  "version": "1.2.3",
+  "version": "1.3.0",
   "description": "SDK for SpacetimeDB",
   "author": {
     "name": "Clockwork Labs",