Revert "build: update extension to use node 20 (#7)" (#9)

This reverts commit 186b04c.

Author: tembleking

.github/workflows/main.yml

@@ -24,7 +24,7 @@ jobs:
     - name: Setup Node.js
       uses: actions/setup-node@v2
       with:
-        node-version: '20'
+        node-version: '14'
 
     - name: Install tfx-cli and typescript
       run: |

VERSION

@@ -1 +1 @@
-0.0.15
+0.0.16