Bump haml from 6.3.0 to 7.0.1

Bumps [haml](https://haml.info) from 6.3.0 to 7.0.1.

---
updated-dependencies:
- dependency-name: haml
  dependency-version: 7.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -242,7 +242,7 @@ GEM
       guard (~> 2.1)
       guard-compat (~> 1.1)
       rspec (>= 2.99.0, < 4.0)
-    haml (6.3.0)
+    haml (7.0.1)
       temple (>= 0.8.2)
       thor
       tilt