Merge pull request #224 from wikimedia/still_need_node_6

Rollback some dependencies to still support node 6

.github/workflows/nodejs.yml

@@ -9,7 +9,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [10.x, 12.x]
+        node-version: [6.x, 10.x, 12.x]
 
     steps:
     - uses: actions/checkout@v2

package.json

 {
   "name": "service-runner",
-  "version": "2.7.4",
+  "version": "2.7.6",
   "description": "Generic nodejs service supervisor / cluster runner",
   "main": "service-runner.js",
   "bin": {
@@ -43,7 +43,7 @@
     "js-yaml": "^3.13.1",
     "limitation": "^0.2.1",
     "semver": "^7.1.2",
-    "yargs": "^15.1.0"
+    "yargs": "^14.2.2"
   },
   "optionalDependencies": {
     "gc-stats": "^1.4.0",
@@ -52,11 +52,9 @@
   "devDependencies": {
     "@ojolabs/bunyan-prettystream": "^0.1.6",
     "coveralls": "^3.0.9",
-    "eslint": "^6.8.0",
-    "eslint-config-wikimedia": "^0.15.0",
-    "eslint-plugin-json": "^2.0.1",
-    "eslint-plugin-jsdoc": "^21.0.0",
-    "mocha": "^7.0.1",
+    "eslint": "^5.16.0",
+    "eslint-config-wikimedia": "^0.14.3",
+    "mocha": "^6.2.2",
     "mocha-lcov-reporter": "^1.3.0",
     "nyc": "^15.0.0"
   }