chore: update dependency @types/node (open-telemetry#142)

Author: mayurkale22

packages/opentelemetry-basic-tracer/package.json

@@ -40,7 +40,7 @@
   },
   "devDependencies": {
     "@types/mocha": "^5.2.5",
-    "@types/node": "^10.12.12",
+    "@types/node": "^12.6.8",
     "c8": "^5.0.1",
     "codecov": "^3.1.0",
     "gts": "^1.0.0",

packages/opentelemetry-core/package.json

@@ -47,7 +47,7 @@
   },
   "devDependencies": {
     "@types/mocha": "^5.2.5",
-    "@types/node": "^10.12.12",
+    "@types/node": "^12.6.8",
     "@types/webpack-env": "1.13.9",
     "c8": "^5.0.1",
     "codecov": "^3.1.0",

packages/opentelemetry-node-tracer/package.json

@@ -40,7 +40,7 @@
   },
   "devDependencies": {
     "@types/mocha": "^5.2.5",
-    "@types/node": "^12.0.10",
+    "@types/node": "^12.6.8",
     "c8": "^5.0.1",
     "codecov": "^3.1.0",
     "gts": "^1.0.0",

packages/opentelemetry-scope-async-hooks/package.json

@@ -40,7 +40,7 @@
   },
   "devDependencies": {
     "@types/mocha": "^5.2.5",
-    "@types/node": "^12.0.10",
+    "@types/node": "^12.6.8",
     "@types/shimmer": "^1.0.1",
     "c8": "^5.0.1",
     "codecov": "^3.1.0",

packages/opentelemetry-scope-base/package.json

@@ -40,7 +40,7 @@
   },
   "devDependencies": {
     "@types/mocha": "^5.2.5",
-    "@types/node": "^12.6.2",
+    "@types/node": "^12.6.8",
     "c8": "^5.0.1",
     "codecov": "^3.1.0",
     "gts": "^1.0.0",