Bump erb_lint from 0.6.0 to 0.7.0 (#638)

Bumps [erb_lint](https://github.com/Shopify/erb-lint) from 0.6.0 to 0.7.0.
- [Release notes](https://github.com/Shopify/erb-lint/releases)
- [Commits](Shopify/erb_lint@v0.6.0...v0.7.0)

---
updated-dependencies:
- dependency-name: erb_lint
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -127,7 +127,7 @@ GEM
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
-    erb_lint (0.6.0)
+    erb_lint (0.7.0)
       activesupport
       better_html (>= 2.0.1)
       parser (>= 2.7.1.4)