Add Update Mechanism to Puppeteer deps

Bug: 422061712, 422062721
Change-Id: I558f89fbadf46ef028c4969c4a7df100ca27bd8f
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/6613829
Commit-Queue: Alex Rudenko <[email protected]>
Reviewed-by: Nikolay Vitkov <[email protected]>
Commit-Queue: Nikolay Vitkov <[email protected]>

Author: OrKoN

front_end/third_party/puppeteer/README.chromium

@@ -7,6 +7,7 @@ License File: LICENSE
 Revision: 1afc8e4f0a67641cdcc95d29ebe02a508f0141c7
 Security Critical: no
 Shipped: yes
+Update Mechanism: Autoroll
 
 Description:
 Puppeteer is a Node library which provides a high-level API to control Chrome or Chromium over the DevTools Protocol.

front_end/third_party/puppeteer/third_party/mitt/README.chromium

@@ -5,6 +5,7 @@ License: MIT
 License File: LICENSE
 Security Critical: no
 Shipped: yes
+Update Mechanism: Autoroll
 
 Description: mitt is a transitive dependency of Puppeteer, shipped as part of
 Puppeteer. The license is also included in the source files in

front_end/third_party/puppeteer/third_party/parsel/README.chromium

@@ -5,6 +5,7 @@ License: MIT
 License File: LICENSE
 Security Critical: no
 Shipped: yes
+Update Mechanism: Autoroll
 
 Description: parsel is a transitive dependency of Puppeteer, shipped as part of
 Puppeteer. The license is also included in the source files in

front_end/third_party/puppeteer/third_party/rxjs/README.chromium

@@ -5,6 +5,7 @@ License: Apache-2.0
 License File: LICENSE
 Security Critical: no
 Shipped: yes
+Update Mechanism: Autoroll
 
 Description: rxjs is a transitive dependency of Puppeteer, shipped as part of
 Puppeteer. The license is also included in the source files in