Include Cirq in the matrix job name

Otherwise, you can't tell what's being tested in the long list of jobs
on GitHub.

Author: mhucka

.github/workflows/nightly-tests.yaml

@@ -40,7 +40,7 @@ concurrency:
 jobs:
   Pytest:
     # Try to fit as much info as possible into the GHA sidebar at run-time.
-    name: Py ${{matrix.python-version}} + ${{matrix.os}}/${{matrix.arch}}
+    name: Py ${{matrix.python-version}} + ${{matrix.os}}/${{matrix.arch}} + ${{matrix.cirq}}
     runs-on: ${{matrix.os}}
     timeout-minutes: 15
     strategy: