increasing min nodejs version to 15

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [14.x, 15.x, 16.x, 17.x]
+        node-version: [15.x, 16.x, 17.x]
 
     services:
        mariadb:

.travis.yml

@@ -1,7 +1,7 @@
 dist: xenial
 language: node_js
 node_js:
-  - '14'
+  - '15'
   - '16'
   - '17'
 env:

package.json

@@ -155,6 +155,6 @@
     "mysql": "2.18.1"
   },
   "engines": {
-    "node": ">=14.0 <18.0"
+    "node": ">=15.0 <18.0"
   }
 }