Update nightly.yml

Author: pjfanning

.github/workflows/nightly.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [2.13.12]
+        scala: [2.13]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout master branch