Make testing NPM dependencies appear in development mode only

package.json

@@ -14,10 +14,12 @@
   "homepage": "https://wekan.github.io",
   "devDependencies": {
     "babel-plugin-istanbul": "^6.1.1",
-    "chai": "^4.3.4",
+    "chai": "^4.3.6",
+    "chai-as-promised": "^7.1.1",
     "flatted": "^3.2.2",
     "puppeteer": "^1.20.0",
-    "sinon": "^11.1.2"
+    "sinon": "^13.0.2",
+    "sinon-chai": "^3.7.0"
   },
   "dependencies": {
     "@babel/core": "^7.15.5",
@@ -29,7 +31,6 @@
     "bcryptjs": "^2.4.3",
     "bson": "^4.5.2",
     "bunyan": "^1.8.15",
-    "chai-as-promised": "^7.1.1",
     "core-js": "^3.18.2",
     "dompurify": "^2.3.2",
     "es6-promise": "^4.2.4",
@@ -56,7 +57,6 @@
     "papaparse": "^5.3.1",
     "qs": "^6.10.1",
     "simpl-schema": "^1.12.0",
-    "sinon-chai": "^3.7.0",
     "source-map-support": "^0.5.20",
     "uuid": "^8.3.2"
   },