upgrade node to fix coalesce

jobs/release/prerelease.yml

@@ -45,9 +45,9 @@ extends:
                 ignoreLASTEXITCODE: true
                 displayName: "Set the release name"
               - task: NodeTool@0
-                displayName: "Use Node 14.x"
+                displayName: "Use Node 16.x"
                 inputs:
-                  versionSpec: 14.x
+                  versionSpec: 16.x
               - task: Npm@0
                 displayName: "install vsce"
                 inputs:

jobs/release/release.yml

@@ -68,9 +68,9 @@ extends:
                   targetPath: $(Build.StagingDirectory)\vsix
             steps:
               - task: NodeTool@0
-                displayName: "Use Node 14.x"
+                displayName: "Use Node 16.x"
                 inputs:
-                  versionSpec: 14.x
+                  versionSpec: 16.x
               - task: Npm@0
                 displayName: "install vsce"
                 inputs: