feat: Add py-sbi and py-vbi packages

Summary

This commit adds two new packages, py-sbi and py-vbi, to the repository. The sbi package belongs to mackelab and was not listed in the spack packages. The py-vbi package is added with version 0.1.0 The py-vbi package also has an optional CUDA support variant. These packages are added to the spack.yaml file to be included in the project dependencies.

Package
Contact point
KG entry

Checks

• Software Quality Checklist: SQ-Checklist.pdf (level: )
• Current maintainer is listed first in package.py
• No pinned dependency versions
• Post-installation tests are defined

packages/py-sbi/package.py

+# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+# ----------------------------------------------------------------------------
+# If you submit this package back to Spack as a pull request,
+# please first remove this boilerplate and all FIXME comments.
+#
+# This is a template package file for Spack.  We've put "FIXME"
+# next to all the things you'll want to change. Once you've handled
+# them, you can save this file and test your package like this:
+#
+#     spack install py-sbi
+#
+# You can edit this file again by typing:
+#
+#     spack edit py-sbi
+#
+# See the Spack documentation for more information on packaging.
+# ----------------------------------------------------------------------------
+
+from spack.package import *
+
+
+class PySbi(PythonPackage):
+
+    url = "https://github.com/sbi-dev/sbi/archive/refs/tags/v0.23.1.tar.gz"
+
+    
+    version("0.23.1", sha256="effd8fbfa5fd76a489fea9f4acc4c3c2dba5c3bb396a2213a8aae51e6232ed9a")
+    maintainers = ['ziaee'] # sbi-dev package from https://github.com/sbi-dev/sbi
+    
+    depends_on('python@3.11:', type=('build', 'run'))
+    depends_on('py-setuptools', type='build')
+    depends_on('py-numpy', type=('build', 'run'))
+    depends_on('py-scipy', type=('build', 'run'))
+    depends_on('py-torch', type=('build', 'run'))
+    depends_on('py-matplotlib', type=('build', 'run'))
+    depends_on('py-pyro-ppl', type=('build', 'run'))
+    depends_on('py-pyro-api', type=('build', 'run'))
+    depends_on('py-typing-extensions', type=('build', 'run'))
+
+    def config_settings(self, spec, prefix):
+        # FIXME: Add configuration settings to be passed to the build backend
+        # FIXME: If not needed, delete this function
+        settings = {}
+        return settings