[DO NOT MERGE] pin elpi

Author: gares

.github/workflows/main.yml

@@ -49,6 +49,9 @@ jobs:
         opam pin add coq-core ${{ matrix.coq_version }}
         opam pin add coq-stdlib ${{ matrix.coq_version }}
       if: ${{ matrix.coq_version != 'dev' }}
+
+    - run: opam pin add https://github.com/LPCIC/elpi.git#scoped-term
+
     - run: opam install ./coq-elpi.opam --deps-only --with-test -y
     - run: opam exec make build
     - run: opam exec make test