Disable swift-nio testing

Author: marcprux

.github/workflows/ci.yml

@@ -268,6 +268,7 @@ jobs:
         run: ./run-tests.sh apple/swift-crypto
 
       - name: Run swift-nio tests
+        if: false
         run: ./run-tests.sh apple/swift-nio
 
       - name: Run swift-argument-parser tests