build: only pipe to codecov if tests run on Node 10 (#235)

Author: yoshi-automation

packages/google-cloud-language/synth.metadata

@@ -1,26 +1,26 @@
 {
-  "updateTime": "2019-04-04T11:16:12.440846Z",
+  "updateTime": "2019-05-04T11:16:55.883865Z",
   "sources": [
     {
       "generator": {
         "name": "artman",
-        "version": "0.16.23",
-        "dockerImage": "googleapis/artman@sha256:f3a3f88000dc1cd1b4826104c5574aa5c534f6793fbf66e888d11c0d7ef5762e"
+        "version": "0.18.0",
+        "dockerImage": "googleapis/artman@sha256:29bd82cc42c43825fde408e63fc955f3f9d07ff9989243d7aa0f91a35c7884dc"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "04193ea2f8121388c998ab49c382f2c03417dcce",
-        "internalRef": "241828309"
+        "sha": "39c876cca5403e7e8282ce2229033cc3cc02962c",
+        "internalRef": "246561601"
       }
     },
     {
       "template": {
         "name": "node_library",
         "origin": "synthtool.gcp",
-        "version": "2019.2.26"
+        "version": "2019.5.2"
       }
     }
   ],