Unbreak release pipeline (go-gitea#20356)

Downgrade release pipeline to node 16 until xgo updates its base OS to a
version with a compatible glibc.

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

.drone.yml

@@ -652,7 +652,8 @@ steps:
     image: techknowlogick/xgo:go-1.18.x
     pull: always
     commands:
-      - curl -sL https://deb.nodesource.com/setup_18.x | bash - && apt-get install -y nodejs
+      # Upgrade to node 18 once https://github.com/techknowlogick/xgo/issues/163 is resolved
+      - curl -sL https://deb.nodesource.com/setup_16.x | bash - && apt-get install -y nodejs
       - export PATH=$PATH:$GOPATH/bin
       - make release
     environment:
@@ -771,7 +772,8 @@ steps:
     image: techknowlogick/xgo:go-1.18.x
     pull: always
     commands:
-      - curl -sL https://deb.nodesource.com/setup_18.x | bash - && apt-get install -y nodejs
+      # Upgrade to node 18 once https://github.com/techknowlogick/xgo/issues/163 is resolved
+      - curl -sL https://deb.nodesource.com/setup_16.x | bash - && apt-get install -y nodejs
       - export PATH=$PATH:$GOPATH/bin
       - make release
     environment: