Fenicsx update dependency and build for main branch (#25864)

* Updates to make it work again for main
* Use property

Co-authored-by: Chris <cnr12@cam.ac.uk>

var/spack/repos/builtin/packages/fenics-basix/package.py

@@ -23,3 +23,9 @@ class FenicsBasix(CMakePackage):
     depends_on("xtl@0.7.2:")
     depends_on("xtensor@0.23.10:")
     depends_on("blas", type=("build", "run"))
+
+    @property
+    def root_cmake_lists_dir(self):
+        if self.spec.satisfies("@main"):
+            return "cpp"
+        return None

var/spack/repos/builtin/packages/py-fenics-ffcx/package.py

@@ -24,7 +24,7 @@ class PyFenicsFfcx(PythonPackage):
     depends_on('py-cffi', type='run')
 
     depends_on('py-fenics-ufl@main', type='run', when='@main')
-    depends_on('py-fenics-ufl@2021.1.0', type='run', when='@0.1:')
+    depends_on('py-fenics-ufl@2021.1.0', type='run', when='@0.1.0:0.3.99')
 
     depends_on('py-fenics-basix@main', type='run', when='@main')
     depends_on('py-fenics-basix@0.3.0', type='run', when='@0.3.0')