[misc] CI testing replacing node.js v11 by supported LTS v12

Author: rusher

.travis.yml

@@ -39,42 +39,42 @@ env:
 
 matrix:
   allow_failures:
-  - node_js: "11"
+  - node_js: "12"
     env: DB=build
   include:
-  - node_js: "11"
+  - node_js: "12"
     env: DB=build
   - node_js: "6"
     env: DB=mariadb:10.4 SKIP_LEAK=1
   - node_js: "8"
     env: DB=mariadb:10.4
   - node_js: "10"
     env: DB=mariadb:10.4
-  - node_js: "11"
+  - node_js: "12"
     env: DB=mariadb:10.4
-  - node_js: "11"
+  - node_js: "12"
     env: DB=mariadb:10.4 LINT=1
-  - node_js: "11"
+  - node_js: "12"
     env: DB=mariadb:10.4 BENCH=1
-  - node_js: "11"
+  - node_js: "12"
     env: DB=mariadb:10.4 MAXSCALE_VERSION=2.2.9 TEST_PORT=4007 TEST_USER=bob TEXT_DATABASE=test2
-  - node_js: "11"
+  - node_js: "12"
     env: DB=mariadb:5.5
-  - node_js: "11"
+  - node_js: "12"
     env: DB=mariadb:10.0
-  - node_js: "11"
+  - node_js: "12"
     env: DB=mariadb:10.1
-  - node_js: "11"
+  - node_js: "12"
     env: DB=mariadb:10.2
-  - node_js: "11"
+  - node_js: "12"
     env: DB=mariadb:10.3
-  - node_js: "11"
+  - node_js: "12"
     env: DB=mysql:5.5
-  - node_js: "11"
+  - node_js: "12"
     env: DB=mysql:5.6
-  - node_js: "11"
+  - node_js: "12"
     env: DB=mysql:5.7
-  - node_js: "11"
+  - node_js: "12"
     env: DB=mysql:8.0
 
 notifications:

appveyor.yml

@@ -27,37 +27,37 @@ environment:
 
     - DB: '10.4.6'
       MEM: "21"
-      nodejs_version: "11"
+      nodejs_version: "12"
 
     - DB: '10.4.6'
-      nodejs_version: "10"
+      nodejs_version: "12"
       MEM: "21"
       TEST_ZIP: 1
 
     - DB: '10.4.6'
-      nodejs_version: "10"
+      nodejs_version: "12"
       MEM: "21"
       BENCH: "1"
 
     - DB: '10.3.16'
       MEM: "21"
-      nodejs_version: "10"
+      nodejs_version: "12"
 
     - DB: '10.2.25'
       MEM: "21"
-      nodejs_version: "10"
+      nodejs_version: "12"
 
     - DB: '10.1.40'
       MEM: "21"
-      nodejs_version: "10"
+      nodejs_version: "12"
 
     - DB: '10.0.38'
       MEM: "21"
-      nodejs_version: "10"
+      nodejs_version: "12"
 
     - DB: '5.5.64'
       MEM: "5"
-      nodejs_version: "10"
+      nodejs_version: "12"
 
 cache:
   - node_modules