Use node 22 in publish actions (#1773)

## Changes

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## Tests

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Author: ilia-db

.github/workflows/publish-to-openvsx.yml

@@ -20,10 +20,10 @@ jobs:
     environment: Production
 
     steps:
-      - name: Use Node.js 18.x
+      - name: Use Node.js 22.x
         uses: actions/setup-node@v4
         with:
-          node-version: 18.x
+          node-version: 22.x
 
       - name: Download release
         run: |

.github/workflows/publish-to-vscode.yml

@@ -20,10 +20,10 @@ jobs:
     environment: Production
 
     steps:
-      - name: Use Node.js 18.x
+      - name: Use Node.js 22.x
         uses: actions/setup-node@v4
         with:
-          node-version: 18.x
+          node-version: 22.x
 
       - name: download release
         run: |