Update AMP Optimizer to v2.5.2 (#14095)

This addresses the problem of the optimizer postinstall hook causing
delayed installs if run behind a proxy. See https://github.com/ampproject/amp-toolbox/issues/832

Fixes #14070

packages/next/package.json

@@ -58,7 +58,7 @@
     ]
   },
   "dependencies": {
-    "@ampproject/toolbox-optimizer": "2.5.1",
+    "@ampproject/toolbox-optimizer": "2.5.2",
     "@babel/code-frame": "7.8.3",
     "@babel/core": "7.7.7",
     "@babel/plugin-proposal-class-properties": "7.8.3",

yarn.lock

@@ -10,15 +10,16 @@
     cross-fetch "3.0.4"
     lru-cache "5.1.1"
 
-"@ampproject/toolbox-optimizer@2.5.1":
-  version "2.5.1"
-  resolved "https://registry.yarnpkg.com/@ampproject/toolbox-optimizer/-/toolbox-optimizer-2.5.1.tgz#0f5897d77d0e73957541c85f0f3f49a73e3449fe"
-  integrity sha512-C4pYFt9K9+sXngBeYB/+zrW+38mMhjG8Xu3iTO13WsPL6Ym/UNopLjmhK99mxsnQgn/lkzcACY0n7QH7WMp4JA==
+"@ampproject/toolbox-optimizer@2.5.2":
+  version "2.5.2"
+  resolved "https://registry.yarnpkg.com/@ampproject/toolbox-optimizer/-/toolbox-optimizer-2.5.2.tgz#17085463255d96a81606803c4bf5d1f1414cfc17"
+  integrity sha512-hDvDgAMTHUnye2Y7WhoF+6MtgOlkru+4EJtLUdrfOKdZyNGJ7s9E+lGsncFHwyyIaEWcs5RkthcZMVHgkg7ZoQ==
   dependencies:
     "@ampproject/toolbox-core" "^2.5.1"
     "@ampproject/toolbox-runtime-version" "^2.5.1"
     "@ampproject/toolbox-script-csp" "^2.3.0"
     "@ampproject/toolbox-validator-rules" "^2.3.0"
+    abort-controller "3.0.0"
     cross-fetch "3.0.4"
     cssnano "4.1.10"
     dom-serializer "1.0.1"