HARMONY-1671: Update dependencies and ensure npm install is not in pa…

…rallel.

package.json

@@ -14,7 +14,7 @@
     "start-dev-fast": "cd services/harmony && TS_NODE_TRANSPILE_ONLY=true ts-node-dev --no-notify -r tsconfig-paths/register --respawn --inspect=127.0.0.1:${DEBUG_PORT:-9200} app/server",
     "update-dev": "npm install && lerna run build && bin/restart-services",
     "watch-debug": "cd services/harmony && TS_NODE_TRANSPILE_ONLY=true nodemon --inspect=5858 -e ts,tsx,html --exec node -r tsconfig-paths/register -r ts-node/register app/server.ts",
-    "postinstall": "if test \"$NODE_ENV\" != \"production\" && test \"$LERNA\" != \"false\" ; then lerna exec -- npm install; fi",
+    "postinstall": "if test \"$NODE_ENV\" != \"production\" && test \"$LERNA\" != \"false\" ; then lerna exec --concurrency 1 -- npm install; fi",
     "build": "lerna exec --scope=harmony -- VERSION=${VERSION:-latest} npm run build",
     "build-sequential": "lerna exec --ignore harmony --concurrency 1 -- VERSION=${VERSION:-latest} npm run build",
     "build-all": "lerna exec --ignore harmony -- VERSION=${VERSION:-latest} npm run build",