hep stack: add scikit-hep packages (#48412)

share/spack/gitlab/cloud_pipelines/stacks/hep/spack.yaml

@@ -48,7 +48,18 @@ spack:
   - madgraph5amc
   - opendatadetector
   - podio +rntuple +sio
+  - py-awkward
+  - py-boost-histogram
+  - py-hepunits
+  - py-hist
+  - py-histbook
+  - py-histoprint
+  - py-iminuit
+  - py-mplhep
+  - py-particle
+  - py-uhi
   - py-uproot +lz4 +xrootd +zstd
+  - py-vector
   - pythia8 +evtgen +fastjet +hdf5 +hepmc +hepmc3 +lhapdf ~madgraph5amc +python +rivet ~root # pythia8 and root circularly depend
   - rivet hepmc=3
   - root +davix +dcache +examples +fftw +fits +fortran +gdml +graphviz +gsl +http +math +minuit +mlp +mysql +opengl +postgres +pythia8 +python +r +roofit +root7 +rpath ~shadow +spectrum +sqlite +ssl +tbb +threads +tmva +unuran +vc +vdt +veccore +webgui +x +xml +xrootd

var/spack/repos/builtin/packages/py-iminuit/package.py

@@ -49,6 +49,9 @@ class PyIminuit(PythonPackage):
     depends_on("python@3.7:", type=("build", "run"), when="@2.17.0:")
     depends_on("python@3.8:", type=("build", "run"), when="@2.19.0:")
     depends_on("python@3.9:", type=("build", "run"), when="@2.28.0:")
+    # Bundled pybind11@:2.92 until 2.21 fails to compile with python@3.11:
+    # See https://github.com/pybind/pybind11/pull/3368
+    depends_on("python@:3.10", type=("build", "run"), when="@:2.21")
     with when("@2.22:"):
         depends_on("py-scikit-build-core@0.3:+pyproject", type="build")
         depends_on("py-scikit-build-core@0.5:+pyproject", type="build", when="@2.26:")