Bump activemerchant from 1.123.0 to 1.126.0

Bumps [activemerchant](https://github.com/activemerchant/active_merchant) from 1.123.0 to 1.126.0.
- [Release notes](https://github.com/activemerchant/active_merchant/releases)
- [Changelog](https://github.com/activemerchant/active_merchant/blob/master/CHANGELOG)
- [Commits](activemerchant/active_merchant@v1.123.0...v1.126.0)

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

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

Gemfile.lock

@@ -101,7 +101,7 @@ GEM
     activejob (6.1.6)
       activesupport (= 6.1.6)
       globalid (>= 0.3.6)
-    activemerchant (1.123.0)
+    activemerchant (1.126.0)
       activesupport (>= 4.2)
       builder (>= 2.1.2, < 4.0.0)
       i18n (>= 0.6.9)