test: disable flaky upstream testing

.github/workflows/upstream.yml

@@ -18,10 +18,10 @@ jobs:
           # - '1.15.x'
           - '1.16.x'
         upstream:
-          - 'libp2p/go-libp2p-pubsub'
+          # - 'libp2p/go-libp2p-pubsub' flaky
+          # - 'ipfs/go-bitswap' flaky
+          # - 'libp2p/go-libp2p-kad-dht'
           - 'libp2p/go-libp2p-daemon'
-          - 'libp2p/go-libp2p-kad-dht'
-          - 'ipfs/go-bitswap'
     runs-on: ${{ matrix.os }}-latest
     name: ${{ matrix.upstream }} unit tests (${{ matrix.os }}, Go ${{ matrix.go }})
     steps: