bump express to 4.21.2 (#72)

* bump express to 4.21.2

* update github actions

* update dev dependencies

* 2.1.0

* 2.1.0

* 2.1.1

.devcontainer/devcontainer.json

@@ -0,0 +1,3 @@
+{
+  "image": "mcr.microsoft.com/devcontainers/javascript-node:1-20-bullseye"
+}

.github/workflows/nodejs.yml

@@ -9,12 +9,12 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x, 18.x]
+        node-version: [16.x, 18.x, 20.x]
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v2
       with:
         node-version: ${{ matrix.node-version }}
     - name: npm install, build, and test

.github/workflows/npmpublish.yml

@@ -8,10 +8,10 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
-      - uses: actions/setup-node@v1
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
         with:
-          node-version: 16
+          node-version: 20
       - run: npm ci
       - run: npm run build
       - run: npm test
@@ -20,10 +20,10 @@ jobs:
     needs: build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
-      - uses: actions/setup-node@v1
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
         with:
-          node-version: 16
+          node-version: 20
           registry-url: https://registry.npmjs.org/
       - run: npm ci
       - run: npm run build