fix: bump speedline to fix perceptual speed index (#2046)

* fix: bump speedline to fix perceptual speed index

* test: update tests for speedline bump

lighthouse-core/test/gather/computed/speedline-test.js

@@ -47,7 +47,7 @@ describe('Speedline gatherer', () => {
 
     return speedlineGather.request({traceEvents: threeFrameTrace}).then(speedline => {
       assert.equal(Math.floor(speedline.speedIndex), 2040);
-      return assert.equal(Math.floor(speedline.perceptualSpeedIndex), 2066);
+      return assert.equal(Math.floor(speedline.perceptualSpeedIndex), 2030);
     });
   });
 

package.json

@@ -71,7 +71,7 @@
     "opn": "4.0.2",
     "rimraf": "2.2.8",
     "semver": "5.3.0",
-    "speedline": "1.0.3",
+    "speedline": "1.1.1",
     "update-notifier": "^2.1.0",
     "whatwg-url": "4.0.0",
     "ws": "1.1.1",

yarn.lock

@@ -2870,9 +2870,9 @@ spdx-license-ids@^1.0.2:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-1.2.2.tgz#c9df7a3424594ade6bd11900d596696dc06bac57"
 
-speedline@1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/speedline/-/speedline-1.0.3.tgz#ee1d98c18d583a2d8488aaded2db9334b943dbbd"
+speedline@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/speedline/-/speedline-1.1.1.tgz#d70d7bfbe630eb63424a830ec0e02ddfcc6051b7"
   dependencies:
     babar "0.0.3"
     image-ssim "^0.2.0"