Update @@types/node o the latest version 🚀 (#227)

Author: mayurkale22

package-lock.json

@@ -35,7 +35,7 @@
     "access": "public"
   },
   "devDependencies": {
-    "@types/node": "^9.4.7",
+    "@types/node": "^10.12.12",
     "lerna": "^2.11.0",
     "typescript": "^2.7.2"
   }

package.json

@@ -40,7 +40,7 @@
   "devDependencies": {
     "@types/continuation-local-storage": "^3.2.1",
     "@types/mocha": "^5.2.5",
-    "@types/node": "^9.4.7",
+    "@types/node": "^10.12.12",
     "@types/once": "^1.4.0",
     "@types/semver": "^5.5.0",
     "@types/shimmer": "^1.0.1",

packages/opencensus-core/package-lock.json

@@ -41,7 +41,7 @@
   "devDependencies": {
     "@types/mocha": "^5.2.5",
     "@types/nock": "^9.1.3",
-    "@types/node": "^9.4.7",
+    "@types/node": "^10.12.12",
     "@types/semver": "^5.5.0",
     "@types/uuid": "^3.4.3",
     "gts": "^0.9.0",

packages/opencensus-core/package.json

@@ -40,7 +40,7 @@
   "devDependencies": {
     "@types/mocha": "^5.2.5",
     "@types/nock": "^9.1.3",
-    "@types/node": "^9.4.7",
+    "@types/node": "^10.12.12",
     "@types/shimmer": "^1.0.1",
     "@types/uuid": "^3.4.3",
     "gts": "^0.9.0",

packages/opencensus-exporter-instana/package-lock.json

@@ -47,7 +47,7 @@
   "devDependencies": {
     "@types/mocha": "^5.2.5",
     "@types/nock": "^9.1.3",
-    "@types/node": "^9.4.7",
+    "@types/node": "^10.12.12",
     "@types/shimmer": "^1.0.1",
     "@types/uuid": "^3.4.3",
     "gts": "^0.9.0",