Bump knapsack_pro from 7.6.2 to 7.8.0

Bumps [knapsack_pro](https://github.com/KnapsackPro/knapsack_pro-ruby) from 7.6.2 to 7.8.0.
- [Changelog](https://github.com/KnapsackPro/knapsack_pro-ruby/blob/master/CHANGELOG.md)
- [Commits](https://github.com/KnapsackPro/knapsack_pro-ruby/compare/v7.6.2...v7.8.0)

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

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

Gemfile.lock

@@ -306,7 +306,7 @@ GEM
       activerecord
       kaminari-core (= 1.2.2)
     kaminari-core (1.2.2)
-    knapsack_pro (7.6.2)
+    knapsack_pro (7.8.0)
       rake
     kramdown (2.4.0)
       rexml
@@ -738,7 +738,7 @@ DEPENDENCIES
   image_processing (~> 1.12.2)
   invisible_captcha (~> 2.3.0)
   kaminari (~> 1.2.2)
-  knapsack_pro (~> 7.6.2)
+  knapsack_pro (~> 7.8.0)
   launchy (~> 2.5.2)
   letter_opener_web (~> 3.0.0)
   mdl (~> 0.13.0)