Update package version to 1.29.0

pkg.info

@@ -1,9 +1,11 @@
 name: python-hatchling
 description: This is the extensible, standards compliant build backend used by Hatch
-version: 1.28.0
+version: 1.29.0
 revision: 1
 url: https://github.com/pypa/hatch/tree/master/backend
 license: MIT
+maintainers:
+  - [email protected]
 architecture: any
 output_architecture: any
 type: source
@@ -21,4 +23,4 @@ downloads:
   - url: https://github.com/pypa/hatch/archive/hatchling-v${BPM_PKG_VERSION}.tar.gz
     extract_to: ${BPM_SOURCE}
     extract_strip_components: 1
-    checksum: 3a52e40675ab341eab0720fe22cbd82b6a0d18a6445e2ce6bb9aebb831ca79cd
+    checksum: a687fb850d66e15986435b63cad6b041592dc2db6aed405cac0fd9c646835dec