Update dependency codecov to 3.5 (#612)

Author: mayurkale22

packages/opencensus-core/package-lock.json

@@ -59,7 +59,7 @@
     "@types/semver": "^6.0.0",
     "@types/shimmer": "^1.0.1",
     "@types/uuid": "^3.4.3",
-    "codecov": "^3.4.0",
+    "codecov": "^3.5.0",
     "gts": "^1.0.0",
     "intercept-stdout": "^0.1.2",
     "mocha": "^6.1.0",

packages/opencensus-core/package.json

@@ -53,7 +53,7 @@
     "@types/mocha": "^5.2.5",
     "@types/nock": "^10.0.0",
     "@types/node": "^10.12.12",
-    "codecov": "^3.4.0",
+    "codecov": "^3.5.0",
     "gts": "^1.0.0",
     "mocha": "^6.1.0",
     "nock": "^10.0.0",

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

@@ -52,7 +52,7 @@
     "@types/mocha": "^5.2.5",
     "@types/nock": "^10.0.0",
     "@types/node": "^10.12.12",
-    "codecov": "^3.4.0",
+    "codecov": "^3.5.0",
     "gts": "^1.0.0",
     "mocha": "^6.1.0",
     "nock": "^10.0.0",

packages/opencensus-exporter-instana/package.json

@@ -52,7 +52,7 @@
 		"@types/mocha": "^5.2.5",
 		"@types/nock": "^9.1.3",
 		"@types/node": "^10.12.12",
-		"codecov": "^3.4.0",
+		"codecov": "^3.5.0",
 		"gts": "^1.0.0",
 		"mocha": "^6.1.0",
 		"nyc": "14.1.1",