27340 [web] make Pipeline.run throw (cla: yes, platform-web, needs tests)

27341 [web] Final cleanup after librarification is complete (cla: yes, platform-web, needs tests)

27342 Add the ability to change the CanvasKit url at runtime. (cla: yes, platform-web, needs tests)

27361 [web] Fix webkit ColorFilter.mode for webkit (cla: yes, platform-web)

27375 [web] fix a few analysis lints (cla: yes, platform-web)

27420 [web] enable prefer_final_locals lint (cla: yes, platform-web)

27435 Adjust web_sdk rule deps (cla: yes, platform-web)