Update from node 14 to node 18

Updated to the latest available LTS.
Introduced .nvmrc file to share the node version between cd / ci files.

.github/workflows/cd.yml

@@ -7,16 +7,12 @@ jobs:
   test_build_deploy:
     runs-on: ubuntu-22.04
 
-    strategy:
-      matrix:
-        node-version: [14.x]
-
     steps:
       - uses: actions/checkout@v3
-      - name: Use Node.js ${{ matrix.node-version }}
+      - name: Use Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: ${{ matrix.node-version }}
+          node-version-file: '.nvmrc'
       - name: "[Setup] Install dependencies"
         run: yarn
       - name: "[Build] Staging"

.github/workflows/ci.yml

@@ -8,16 +8,12 @@ jobs:
   test:
     runs-on: ubuntu-22.04
 
-    strategy:
-      matrix:
-        node-version: [14.x]
-
     steps:
       - uses: actions/checkout@v3
-      - name: Use Node.js ${{ matrix.node-version }}
+      - name: Use Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: ${{ matrix.node-version }}
+          node-version-file: '.nvmrc'
       - name: "[Setup] Install dependencies"
         run: yarn
       - name: "[Test] Run linters"

.nvmrc

@@ -0,0 +1 @@
+18.18.0

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:14.21.1
+FROM node:18.18.0
 WORKDIR /sdk
 COPY package.json .
 RUN yarn

package.json

@@ -63,7 +63,7 @@
     "@types/mocha": "^5.0.0",
     "@types/nconf": "latest",
     "@types/nock": "^9.1.2",
-    "@types/node": "^18.13.0",
+    "@types/node": "^18.18.0",
     "@types/object-assign": "^4.0.30",
     "@types/requirejs": "latest",
     "@types/sinon": "^2.3.3",