⬆️ Bump @percy/sdk-utils from 1.26.2 to 1.28.6

Bumps [@percy/sdk-utils](https://github.com/percy/cli/tree/HEAD/packages/sdk-utils) from 1.26.2 to 1.28.6.
- [Release notes](https://github.com/percy/cli/releases)
- [Commits](https://github.com/percy/cli/commits/v1.28.6/packages/sdk-utils)

---
updated-dependencies:
- dependency-name: "@percy/sdk-utils"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

yarn.lock

@@ -391,9 +391,9 @@
   integrity sha512-EVwPoUJWm2ESn3Llorc6D3mqwQeALgaDerlsXA7JvKOk2Xaf68CRk5akI8NBN6rZoWIx8t5WjjJksGzPvMYYnw==
 
 "@percy/sdk-utils@^1.0.0":
-  version "1.26.2"
-  resolved "https://registry.yarnpkg.com/@percy/sdk-utils/-/sdk-utils-1.26.2.tgz#1a02b00f63c6244b10c0c5151901d5b41ea7ca47"
-  integrity sha512-sqxex+UnUoKN046jZS8UHB1YnQuJ0/lzMQaCdNKrF1F/U/1j/LrGywjXI9+NsGa29FdcZfU17530qt961sPgow==
+  version "1.28.6"
+  resolved "https://registry.yarnpkg.com/@percy/sdk-utils/-/sdk-utils-1.28.6.tgz#8eeaaf02848c7d999051d04da7945f0c266f9b39"
+  integrity sha512-cfpylC1bvp93EPQpwvYybdw5I4/fAABKR0hfCcyN7LF0FRgXE3/Onj7ebW41gypDilw2Q1nW0gUSwPj9MyoTOg==
 
 "@tsd/typescript@~4.8.3":
   version "4.8.3"