Bump build/number to 1

Author: jakirkham

recipe/meta.yaml

@@ -1,6 +1,6 @@
 {% set name = "xgboost" %}
 {% set version = "2.1.0" %}
-{% set build_number = 0 %}
+{% set build_number = 1 %}
 {% set min_python = "3.8" %}
 
 {% set string_prefix = "cuda" ~ (cuda_compiler_version | replace('.', '')) %}  # [cuda_compiler_version != "None"]