Update dependency amphtml-validator to v1.0.38

Author: renovate[bot]

amp-article/package.json

@@ -34,7 +34,7 @@
     "@babel/plugin-proposal-class-properties": "7.2.3",
     "@babel/preset-env": "7.2.3",
     "@babel/register": "7.0.0",
-    "amphtml-validator": "1.0.23",
+    "amphtml-validator": "1.0.38",
     "babel-plugin-module-resolver": "3.1.1",
     "eslint": "5.10.0",
     "eslint-config-metalab": "10.0.0",

amp-concert/package.json

@@ -43,7 +43,7 @@
     "@babel/plugin-proposal-class-properties": "7.2.3",
     "@babel/preset-env": "7.2.3",
     "@babel/register": "7.0.0",
-    "amphtml-validator": "1.0.23",
+    "amphtml-validator": "1.0.38",
     "eslint": "5.12.0",
     "eslint-config-metalab": "10.0.0",
     "nodemon": "1.18.9",

amp-stories/package.json

@@ -45,7 +45,7 @@
     "@babel/plugin-proposal-class-properties": "7.2.1",
     "@babel/preset-env": "7.2.0",
     "@babel/register": "7.0.0",
-    "amphtml-validator": "1.0.23",
+    "amphtml-validator": "1.0.38",
     "babel-plugin-module-resolver": "3.1.1",
     "copy-dir": "^1.2.0",
     "eslint": "5.10.0",