Small fixes to our Actions CI workflow

Integration tests were running with latest Go release rather than the
version used everywhere else. Also, we don't need to install protoc from
tarball and also apt-get the package for Ubuntu when used as a
dependency for criu build.

Signed-off-by: Phil Estes <estesp@linux.vnet.ibm.com>

script/setup/install-cni

@@ -29,10 +29,10 @@ go get -d github.com/containernetworking/plugins/...
 cd "$GOPATH"/src/github.com/containernetworking/plugins
 git checkout $CNI_COMMIT
 FASTBUILD=true ./build.sh
-mkdir -p $CNI_DIR
-cp -r ./bin $CNI_DIR
-mkdir -p $CNI_CONFIG_DIR
-cat > $CNI_CONFIG_DIR/10-containerd-net.conflist <<EOF
+sudo mkdir -p $CNI_DIR
+sudo cp -r ./bin $CNI_DIR
+sudo mkdir -p $CNI_CONFIG_DIR
+cat <<EOF | sudo tee $CNI_CONFIG_DIR/10-containerd-net.conflist
 {
   "cniVersion": "0.3.1",
   "name": "containerd-net",