[Tests] add node v14; remove v9, v11

Author: ljharb

.travis.yml

@@ -1,9 +1,8 @@
 language: node_js
 node_js:
+  - "14"
   - "12"
-  - "11"
   - "10"
-  - "9"
   - "8"
 before_install:
   - 'nvm install-latest-npm'
@@ -44,12 +43,6 @@ matrix:
       env: LINT=true PACKAGE=eslint-config-airbnb
     - node_js: "lts/*"
       env: LINT=true PACKAGE=eslint-config-airbnb-base
-    - node_js: "7"
-      env: TEST=true ESLINT=5 PACKAGE=eslint-config-airbnb-base
-    - node_js: "7"
-      env: TEST=true ESLINT=5 PACKAGE=eslint-config-airbnb
-    - node_js: "7"
-      env: TEST=true ESLINT=5 REACT_HOOKS=1.7 PACKAGE=eslint-config-airbnb
     - node_js: "6"
       env: TEST=true ESLINT=5 PACKAGE=eslint-config-airbnb-base
     - node_js: "6"
@@ -58,9 +51,6 @@ matrix:
       env: TEST=true ESLINT=5 REACT_HOOKS=1.7 PACKAGE=eslint-config-airbnb
   exclude:
   allow_failures:
-    - node_js: "11"
-    - node_js: "9"
-    - node_js: "7"
     - env: PREPUBLISH=true ESLINT=6 PACKAGE=eslint-config-airbnb-base
     - env: PREPUBLISH=true ESLINT=6 PACKAGE=eslint-config-airbnb
     - env: PREPUBLISH=true ESLINT=5 PACKAGE=eslint-config-airbnb-base