Bump conda-build and anaconda-client versions (#2400)

This PR bumps `conda-build` version from 25.1.2 to 25.3.1 and
`anaconda-client` version from 1.12.3 to 1.13.0.

Author: antonwolfy

environments/build_conda_pkg.yml

@@ -3,4 +3,4 @@ channels:
   - conda-forge
 dependencies:
   - python=3.12 # conda-build does not support python 3.13
-  - conda-build=25.1.2
+  - conda-build=25.3.1

environments/upload_cleanup_conda_pkg.yml

@@ -3,4 +3,4 @@ channels:
   - conda-forge
 dependencies:
   - python=3.13
-  - anaconda-client=1.12.3
+  - anaconda-client=1.13.0