fix(deps): update dependency google-gax to ^0.26.0 (#461)

renovate[bot] · JustinBeckwith · commit 446286938b5f · 2019-05-02T09:14:19.000-07:00
diff --git a/package.json b/package.json
@@ -58,7 +58,7 @@
     "escape-string-regexp": "^2.0.0",
     "extend": "^3.0.0",
     "google-auth-library": "^3.0.0",
-    "google-gax": "^0.25.0",
+    "google-gax": "^0.26.0",
     "is": "^3.0.1",
     "is-utf8": "^0.2.1",
     "lodash.merge": "^4.6.0",
