Re-enable nightly testing.

Author: maleadt

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        version: ['1.10', 'pre'] # 'nightly'
+        version: ['1.10', 'pre', 'nightly']
         os: [ubuntu-latest, macOS-latest, windows-latest]
         arch: [x64]
         llvm_args: ['']