fix: update semantic release node version

Author: Kpoke

.github/workflows/treetracker-wallet-api-build-deploy-dev.yml

@@ -21,10 +21,10 @@ jobs:
       github.repository == 'Greenstand/treetracker-wallet-api'
     steps:
       - uses: actions/checkout@v2
-      - name: Use Node.js 18.x
+      - name: Use Node.js 20.x
         uses: actions/setup-node@v1
         with:
-          node-version: '18.x'
+          node-version: '20.x'
 
       - run: npm i -g semantic-release @semantic-release/{git,exec,changelog}
       - run: semantic-release