Improve indentation of lambda definitions

dune-uncrustify.cfg

dune/fufem/forms/transformedoperator.hh

dune/fufem/functions/adolcfunction.hh

dune/fufem/functions/portablegreymap.hh

dune/fufem/functions/vintagebasisgridfunction.hh

dune/fufem/parallel/elementcoloring.hh

dune/fufem/python/callable.hh

dune/fufem/python/common.hh

dune/fufem/test/adolcfunctiontest.cc

dune/fufem/test/assembletransferoperatortest.cc

dune/fufem/test/dunefunctionsipdgassemblertest.cc

dune/fufem/test/insertionindexpermutationtest.cc

dune/fufem/test/makerefinedsimplexgeometrytest.cc

dune/fufem/test/mappedmatrixtest.cc

dune/fufem/test/parallelassemblytest.cc

dune/fufem/test/test-polyhedral-minimisation.cc

dune/fufem/test/vintagebasisgridfunctiontest.cc

dune/fufem/utilities/boundarypatchfactory.hh

examples/benchmark.cc

examples/fracture.cc