[SEMVER-MAJOR] Drop support for Node.js 8.x

Signed-off-by: Miroslav Bajtoš <mbajtoss@gmail.com>

.travis.yml

@@ -1,6 +1,5 @@
 language: node_js
 node_js:
-  - "8"
   - "10"
   - "12"
   - "14"
@@ -19,4 +18,4 @@ before_install:
   - mysql -e "use mysql; update user set authentication_string=PASSWORD('test') where User='test'; update user set plugin='mysql_native_password';FLUSH PRIVILEGES;"
   - mysql -e "GRANT ALL PRIVILEGES ON *.* TO 'test'@'localhost' WITH GRANT OPTION;FLUSH PRIVILEGES;"
   - mysql -e "GRANT SUPER ON *.* TO 'test'@'localhost' IDENTIFIED BY 'test';FLUSH PRIVILEGES;"
-  
+

package.json

@@ -1,9 +1,9 @@
 {
   "name": "loopback-connector-mysql",
-  "version": "5.4.4",
+  "version": "6.0.0-dev",
   "description": "MySQL connector for loopback-datasource-juggler",
   "engines": {
-    "node": ">=8"
+    "node": ">=10"
   },
   "main": "index.js",
   "scripts": {