build(deps): bump canvas from 2.9.0 to 2.9.1

Bumps [canvas](https://github.com/Automattic/node-canvas) from 2.9.0 to 2.9.1.
- [Release notes](https://github.com/Automattic/node-canvas/releases)
- [Changelog](https://github.com/Automattic/node-canvas/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Automattic/node-canvas/compare/v2.9.0...v2.9.1)

---
updated-dependencies:
- dependency-name: canvas
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -32,7 +32,7 @@
         "@types/wicg-file-system-access": "^2020.9.5",
         "@types/zen-push": "^0.1.1",
         "babel-plugin-macros": "^3.0.1",
-        "canvas": "^2.9.0",
+        "canvas": "^2.9.1",
         "copy-webpack-plugin": "^6.4.1",
         "file-saver": "^2.0.5",
         "jszip": "^3.7.1",

yarn.lock

@@ -3640,10 +3640,10 @@ caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000981, caniuse-lite@^1.0.30001109, can
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001245.tgz#45b941bbd833cb0fa53861ff2bae746b3c6ca5d4"
   integrity sha512-768fM9j1PKXpOCKws6eTo3RHmvTUsG9UrpT4WoREFeZgJBTi4/X9g565azS/rVUGtqb8nt7FjLeF5u4kukERnA==
 
-canvas@^2.9.0:
-  version "2.9.0"
-  resolved "https://registry.yarnpkg.com/canvas/-/canvas-2.9.0.tgz#7df0400b141a7e42e597824f377935ba96880f2a"
-  integrity sha512-0l93g7uxp7rMyr7H+XRQ28A3ud0dKIUTIEkUe1Dxh4rjUYN7B93+SjC3r1PDKA18xcQN87OFGgUnyw7LSgNLSQ==
+canvas@^2.9.1:
+  version "2.9.1"
+  resolved "https://registry.yarnpkg.com/canvas/-/canvas-2.9.1.tgz#58ec841cba36cef0675bc7a74ebd1561f0b476b0"
+  integrity sha512-vSQti1uG/2gjv3x6QLOZw7TctfufaerTWbVe+NSduHxxLGB+qf3kFgQ6n66DSnuoINtVUjrLLIK2R+lxrBG07A==
   dependencies:
     "@mapbox/node-pre-gyp" "^1.0.0"
     nan "^2.15.0"