Bump dynamic_form from 1.2.0 to 1.3.1

Bumps [dynamic_form](https://github.com/payrollhero/dynamic_form) from 1.2.0 to 1.3.1.
- [Release notes](https://github.com/payrollhero/dynamic_form/releases)
- [Commits](payrollhero/dynamic_form@v1.2.0...v1.3.1)

---
updated-dependencies:
- dependency-name: dynamic_form
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -129,7 +129,9 @@ GEM
       delayed_job (>= 3.0, < 5)
     drb (2.2.0)
       ruby2_keywords
-    dynamic_form (1.2.0)
+    dynamic_form (1.3.1)
+      actionview (> 5.2.0)
+      activemodel (> 5.2.0)
     erubi (1.12.0)
     execjs (2.9.1)
     ffi (1.16.3)