Update composer, add dependabot.yml

.github/dependabot.yml

@@ -0,0 +1,14 @@
+version: 2
+updates:
+  # Maintain dependencies for Composer
+  - package-ecosystem: "composer"
+    # Look for `composer.json` and `composer.lock` files in the root directory
+    directory: "/"
+    # Check for updates weekly
+    schedule:
+      interval: "weekly"
+    allow:
+      # Allow direct updates only (for packages named in composer.json)
+      - dependency-type: "direct"
+    # Allow up to 10 open pull requests for composer dependencies
+    open-pull-requests-limit: 10

.github/workflows/.pipeline.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [ '14' ]
+        node: [ '16' ]
 
     name: Node ${{ matrix.node }}
     steps:

composer.json

@@ -4,10 +4,9 @@
     "This theme is named after American-Canadian activist, journalist, and author Jane Jacobs, who is responsible for the New Urbanism movement in urban studies. It is designed for academic writing, particularly textbooks, but is also suitable for fiction. Headings and body type are set in Montserrat.",
   "type": "wordpress-theme",
   "require": {
-    "composer/installers": "~1.3"
+    "composer/installers": "^2"
   },
   "require-dev": {
-    "humanmade/coding-standards": "^0.2.1"
   },
   "archive": {
     "exclude": [".github"]

package.json

@@ -4,7 +4,7 @@
   "author": "Pressbooks (Book Oven Inc.)",
   "license": "GPL-3.0-or-later",
   "engines": {
-    "node": ">= 6.9.4"
+    "node": ">= 16"
   },
   "repository": {
     "type": "git",