github-ci: use a unique id for the commit check cargo cache

All builds have been using the same cache id for ~/.cargo which
could lead us to conflict situations which is what I think we are
seeing with the commit-check job.

diff --git a/.github/workflows/commits.yml b/.github/workflows/commits.yml
index 055e636717565fc45e7d79d88b69886931665002..17d80f63150b919a24712aa5c15ecc138a4a4b10 100644 (file)
--- a/.github/workflows/commits.yml
+++ b/.github/workflows/commits.yml
@@ -14,7 +14,7 @@ jobs:
         uses: actions/cache@v1
         with:
           path: ~/.cargo
-          key: cargo
+          key: commit-check-cargo
       - name: Install dependencies
         run: |
           apt update