chore(deps): update node to 20 (#245)

the current version. 16 hits EOL in 4 days

.github/workflows/workflow.yaml

@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
-          node-version: '16'
+          node-version: '20'
           check-latest: true
       - run: yarn
       - run: yarn typecheck
@@ -35,7 +35,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
-          node-version: '16'
+          node-version: '20'
           check-latest: true
       - run: yarn
       - run: yarn test:ci
@@ -55,7 +55,7 @@ jobs:
       - uses: google-github-actions/setup-gcloud@v1
       - uses: actions/setup-node@v3
         with:
-          node-version: '16'
+          node-version: '20'
           check-latest: true
       - run: yarn
       - run: yarn update:rtdb --project=testnet --database-url=https://celo-mobile-alfajores.firebaseio.com/
@@ -74,7 +74,7 @@ jobs:
       - uses: google-github-actions/setup-gcloud@v1
       - uses: actions/setup-node@v3
         with:
-          node-version: '16'
+          node-version: '20'
           check-latest: true
       - run: yarn
       - run: yarn update:rtdb --project=mainnet --database-url=https://celo-mobile-mainnet.firebaseio.com/

.nvmrc

@@ -0,0 +1 @@
+20

package.json

@@ -4,7 +4,7 @@
   "description": "Package for storing and updating static RTDB data",
   "private": true,
   "engines": {
-    "node": "^16"
+    "node": "^20"
   },
   "scripts": {
     "prepare": "husky install",