Install selectize via https, adjust Github workflows

.github/workflows/analyze.yml

@@ -15,10 +15,10 @@ jobs:
     steps:
       - uses: actions/checkout@v1
 
-      - name: Use Node.js 12.x
+      - name: Use Node.js 16.x
         uses: actions/setup-node@v1
         with:
-          node-version: 12.x
+          node-version: 16.x
 
       - name: Build all assets
         run: |

.github/workflows/test.yml

@@ -6,15 +6,16 @@ on:
 jobs:
 
   test-js:
-    name: Test asset generation process on Node 14 LTS
+    name: Test asset generation process on Node 16 LTS
     runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v1
-      - name: Use Node.js 14 LTS
+
+      - name: Use Node.js 16 LTS
         uses: actions/setup-node@v1
         with:
-          node-version: '14.x'
+          node-version: 16.x
 
       - name: Try to build the assets
         run: |
@@ -41,7 +42,7 @@ jobs:
     strategy:
       matrix:
         operating-system: [ ubuntu-latest ]
-        php-versions: [ '7.3', '7.4', '8.0' ]
+        php-versions: [ '7.4', '8.0' ]
 
     steps:
       - uses: actions/checkout@v1

package-lock.json

@@ -15267,7 +15267,7 @@
     },
     "selectize": {
       "version": "git+ssh://git@github.com/selectize/selectize.js.git#61f4e2e40bbc3fe02812e842d10d5e43596993d4",
-      "from": "selectize@github:selectize/selectize.js#master",
+      "from": "selectize@https://github.com/selectize/selectize.js.git#master",
       "requires": {
         "jquery-ui": "^1.13.0",
         "microplugin": "0.0.3",