[debug] Print the runner??

Author: saethlin

.github/workflows/ci.yml

@@ -38,6 +38,9 @@ jobs:
         if: runner.os == 'Linux'
         run: echo "MIRIFLAGS=-Zmiri-tag-gc=1" >> $GITHUB_ENV
 
+      - name: Print runner
+        run: echo ${{ runner.os }}
+
       # We install gnu-tar because BSD tar is buggy on macOS builders of GHA.
       # See <https://github.com/actions/cache/issues/403>.
       - name: Install GNU tar