2 packages from LPCIC/coq-elpi at 2.2.1

[coqelpibot]

This pull-request concerns: -coq-elpi.2.2.1: Elpi extension language for Coq -coq-elpi-tests.2.2.1: Technical package to run tests

---

• Homepage: https://github.com/LPCIC/coq-elpi
• Source repo: git+https://github.com/LPCIC/coq-elpi.git
• Bug tracker: https://github.com/LPCIC/coq-elpi/issues

---

:camel: Pull-request generated by opam-publish v2.0.3