bugfix: jq not supported in node:12

package.json

@@ -3,8 +3,8 @@
   "version": "2.4.0",
   "description": "HBP interactive atlas viewer. Integrating KG query, dataset previews & more. Based on humanbrainproject/nehuba & google/neuroglancer. Built with angular",
   "scripts": {
-    "build-aot": "PRODUCTION=true GIT_HASH=`jq -r '.version' package.json` webpack --config ./webpack/webpack.aot.js && node ./third_party/matomo/processMatomo.js",
-    "dev-server-aot": "BACKEND_URL=${BACKEND_URL:-http://localhost:3000/} PRODUCTION=true GIT_HASH=`jq -r '.version' package.json` webpack-dev-server --config ./webpack/webpack.dev-aot.js",
+    "build-aot": "PRODUCTION=true GIT_HASH=`node -e 'console.log(require(\"./package.json\").version)'` webpack --config ./webpack/webpack.aot.js && node ./third_party/matomo/processMatomo.js",
+    "dev-server-aot": "BACKEND_URL=${BACKEND_URL:-http://localhost:3000/} PRODUCTION=true GIT_HASH=`node -e 'console.log(require(\"./package.json\").version)'` webpack-dev-server --config ./webpack/webpack.dev-aot.js",
     "test": "karma start spec/karma.conf.js",
     "e2e": "protractor e2e/protractor.conf",
     "lint": "eslint src --ext .ts",