Remove node 8 support, since it's out of maintenance

.circleci/config.yml

@@ -12,16 +12,12 @@ references:
     v1-dependency-yarn-{{ .Branch }}-
   yarn-backup-cache-key-no-branch: &yarn-backup-cache-key-no-branch
     v1-dependency-yarn-
-  node-8: &node-8
-    circleci/node:8.17.0
   node-10: &node-10
     circleci/node:10.17.0
   node-12: &node-12
     circleci/node:12.13.0
   node-14: &node-14
     circleci/node:14.3.0
-  node-8-latest: &node-8-latest
-    circleci/node:8
   node-10-latest: &node-10-latest
     circleci/node:10
   node-12-latest: &node-12-latest
@@ -118,16 +114,6 @@ jobs:
       - install-dependencies
       - checks
 
-  test-node-8:
-    docker:
-      - image: *node-8
-    steps:
-      - checkout
-      - install-dependencies
-      - build
-      - tests
-      - tests-es5
-
   test-node-10:
     docker:
       - image: *node-10
@@ -169,16 +155,6 @@ jobs:
       - install-dependencies-latest
       - checks
 
-  test-node-8-latest:
-    docker:
-      - image: *node-8-latest
-    steps:
-      - checkout
-      - install-dependencies-latest
-      - build
-      - tests
-      - tests-es5
-
   test-node-10-latest:
     docker:
       - image: *node-10-latest
@@ -215,15 +191,13 @@ workflows:
   test:
     jobs:
       - checks
-      - test-node-8
       - test-node-10
       - test-node-12
       - test-node-14
 
   nightly:
     jobs:
       - checks-latest
-      - test-node-8-latest
       - test-node-10-latest
       - test-node-12-latest
       - test-node-14-latest

package.json

@@ -8,7 +8,7 @@
     "require": "./build/wrapper.js"
   },
   "engines": {
-    "node": ">=8"
+    "node": ">=10"
   },
   "repository": {
     "type": "git",