Allow failure on nightly

Author: andreasnoack

.github/workflows/CI.yml

@@ -43,6 +43,7 @@ jobs:
             ${{ runner.os }}-test-
             ${{ runner.os }}-
       - uses: julia-actions/julia-runtest@v1
+        continue-on-error: ${{ matrix.version == 'nightly' }}
       - uses: julia-actions/julia-processcoverage@v1
       - uses: codecov/codecov-action@v1
         with: