Bump codecov from 3.0.4 to 3.1.0

Bumps [codecov](https://github.com/codecov/codecov-node) from 3.0.4 to 3.1.0.
- [Release notes](https://github.com/codecov/codecov-node/releases)
- [Commits](codecov/codecov-node@v3.0.4...v3.1.0)

Signed-off-by: dependabot[bot] <support@dependabot.com>

Author: dependabot-support

package.json

@@ -125,7 +125,7 @@
     "ava": "~0.25.0",
     "backpack-core": "~0.7.0",
     "browser-env": "~3.2.4",
-    "codecov": "~3.0.4",
+    "codecov": "~3.1.0",
     "eslint": "~4.19.1",
     "eslint-config-standard": "~11.0.0-beta.0",
     "eslint-loader": "~2.0.0",

yarn.lock

@@ -2357,12 +2357,13 @@ code-point-at@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
 
-codecov@~3.0.4:
-  version "3.0.4"
-  resolved "https://registry.yarnpkg.com/codecov/-/codecov-3.0.4.tgz#37f2bf9ed71086923aac7496d982e32e5899dfd8"
+codecov@~3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/codecov/-/codecov-3.1.0.tgz#340bd968d361f256976b5af782dd8ba9f82bc849"
   dependencies:
     argv "^0.0.2"
     ignore-walk "^3.0.1"
+    js-yaml "^3.12.0"
     request "^2.87.0"
     urlgrey "^0.4.4"
 
@@ -5761,6 +5762,13 @@ js-yaml@3.x, js-yaml@^3.10.0, js-yaml@^3.4.3, js-yaml@^3.9.1:
     argparse "^1.0.7"
     esprima "^4.0.0"
 
+js-yaml@^3.12.0:
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.12.0.tgz#eaed656ec8344f10f527c6bfa1b6e2244de167d1"
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^4.0.0"
+
 js-yaml@~3.7.0:
   version "3.7.0"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.7.0.tgz#5c967ddd837a9bfdca5f2de84253abe8a1c03b80"