Find cycles in recipes

[singiamtel]

Fixes 02-5892

CC @sawenzel @ktf

New behaviour

$ ./alibuild/alibuild build pythia -n

==> aliBuild can take the following packages from the system and will not build them:
      ninja, libpng, Clang, lz4, libxml2, lzma, Python, bz2, zlib, GSL, CMake

==> The following packages cannot be taken from the system and will be built:
      abseil, re2, hdf5, TBB, Python-modules, FFTW3
ERROR: Dependency cycle detected: pythia -> HepMC3 -> ROOT -> pythia

Old behaviour

$ ./alibuild/alibuild build pythia -n

==> aliBuild can take the following packages from the system and will not build them:
      bz2, lz4, CMake, zlib, libpng, libxml2, GSL, Python, ninja, Clang, lzma

==> The following packages cannot be taken from the system and will be built:
      TBB, abseil, Python-modules, re2, hdf5, FFTW3

==> Packages will be built in the following order:
     - ApMon-CPP@v2.2.8-alice6
     - UUID@alice/v2.27.1
     - alibuild-recipe-tools@v0.2.5
     - CMake@v3.31.6
     - Python@python-brew3
     - AliEn-CAs@f62625ede780d455b3b7878064bcfee6bd9a4f53
     - Python-modules-list@1.0
     - HepMC@HEPMC_02_06_10
     - utf8proc@v2.6.1
     - protobuf@v21.9
     - TBB@v2021.5.0
     - Vc@1.4.5
     - abseil@20220623.1
     - flatbuffers@v24.3.25
     - hdf5@hdf5-1_10_9
     - double-conversion@v3.1.5
     - xsimd@8.1.0
     - FFTW3@v3.3.9
     - RapidJSON@091de040edb3355dcf2f4a18c425aec51b906f08
     - lhapdf@v6.5.2
     - AliEn-Runtime@v2-19-le
     - re2@2019-09-01
     - Python-modules@virtualenv
     - boost@v1.83.0-alice2
     - XRootD@v5.7.2
     - arrow@apache-arrow-17.0.0-alice6
==> Updating repositories: done
--dry-run / -n specified. Not building.