Fix gromacs detection in biobb-gromacs package

should fix #101 (closed)

packages/py-biobb-gromacs/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)
+
+from spack.package import *
+
+
+class PyBiobbGromacs(PythonPackage):
+    """Biobb_gromacs is the Biobb module collection to perform
+    molecular dynamics simulations using the GROMACS MD suite"""
+
+    pypi = "biobb_gromacs/biobb_gromacs-4.1.1.tar.gz"
+
+    maintainers("d-beltran")
+
+    # Versions
+    version("4.1.1", sha256="270cce747fc214471527438c8319bda0613be5b76da9f4684e6f138d1927d2f7")
+
+    # Dependencies
+    depends_on("py-setuptools", type="build")
+    depends_on("python@3.8:", type=("build", "run"))
+    depends_on("py-biobb-common@4.1.0", type=("build", "run"))
+    # begin EBRAINS(modified): biobb-gromacs checks for a `gmx` binary, with no suffix
+    depends_on("gromacs+nosuffix", type=("run"))
+    # end EBRAINS