v0.7.1

v0.7.1 (2022-03-14)

• Use note.not_openbsd instead of note.not-openbsd as section name in
  solo5-stubs.ld to be compatible with GNU ld 2.37 on e.g. Arch Linux, Fedora
  35, Alpine 3.15 (@TheLortex, #509)
• Fix opam-release.sh: the second variant is -cross-aarch64
  (@dinosaure, #511)
• elftool: support manifests read from stdin or written to stdout using the -
  character (@ehmry, #510)
• Fix the compilation of test_tls on ppc64 architecture (@dinosaure,
  @hannesm, #514)