Bump sassc-embedded from 1.77.7 to 1.77.8

Bumps [sassc-embedded](https://github.com/sass-contrib/sassc-embedded-shim-ruby) from 1.77.7 to 1.77.8.
- [Commits](sass-contrib/sassc-embedded-shim-ruby@v1.77.7...v1.77.8)

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

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -237,7 +237,7 @@ GEM
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    sassc-embedded (1.77.7)
+    sassc-embedded (1.77.8)
       sass-embedded (~> 1.77)
     servolux (0.13.0)
     sprockets (3.7.2)