chore(deps-dev): bump ember-math-helpers from 2.11.1 to 2.12.1

Bumps [ember-math-helpers](https://github.com/shipshapecode/ember-math-helpers) from 2.11.1 to 2.12.1.
- [Release notes](https://github.com/shipshapecode/ember-math-helpers/releases)
- [Changelog](https://github.com/shipshapecode/ember-math-helpers/blob/master/CHANGELOG.md)
- [Commits](RobbieTheWagner/ember-math-helpers@v2.11.1...v2.12.1)

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

package.json

@@ -90,7 +90,7 @@
     "ember-l10n": "^4.0.0",
     "ember-link-action": "1.0.0",
     "ember-load-initializers": "^2.0.0",
-    "ember-math-helpers": "^2.11.1",
+    "ember-math-helpers": "^2.12.1",
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-metrics": "poteto/ember-metrics#87f24d2",
     "ember-models-table": "^2.10.1",

yarn.lock

@@ -6072,7 +6072,7 @@ ember-cli-htmlbars@^3.0.0, ember-cli-htmlbars@^3.0.1:
     json-stable-stringify "^1.0.0"
     strip-bom "^3.0.0"
 
-ember-cli-htmlbars@^4.2.2:
+ember-cli-htmlbars@^4.2.0, ember-cli-htmlbars@^4.2.2:
   version "4.2.2"
   resolved "https://registry.yarnpkg.com/ember-cli-htmlbars/-/ember-cli-htmlbars-4.2.2.tgz#3db341a0c866b6e16919db071be9592b9702f014"
   integrity sha512-xhVYhdbS2H+XNHzSYfOZKRFIpZ8zOrNGMuAc7vJd6oUE8Aad2r5xjncIVQDioPp8sQfUpXt0uvkUZaOll/thXw==
@@ -6820,13 +6820,14 @@ ember-macro-helpers@^4.2.2:
     ember-cli-string-utils "^1.1.0"
     ember-cli-test-info "^1.0.0"
 
-ember-math-helpers@^2.11.1:
-  version "2.11.1"
-  resolved "https://registry.yarnpkg.com/ember-math-helpers/-/ember-math-helpers-2.11.1.tgz#a598ed813fc0ffcae7147f1392331eda66bff044"
+ember-math-helpers@^2.12.1:
+  version "2.12.1"
+  resolved "https://registry.yarnpkg.com/ember-math-helpers/-/ember-math-helpers-2.12.1.tgz#a08faee5563f42dd315ff9db613221dc818654a9"
+  integrity sha512-vnL3+ndIea5c7sUmkVFFsCiYNfdyylx7irlpYqoYJ/jakO0eHzmF+9vYU2LtO0pLo8/PjgyZSEO00LPAff7b/g==
   dependencies:
     broccoli-funnel "^2.0.2"
-    ember-cli-babel "^7.1.2"
-    ember-cli-htmlbars "^3.0.0"
+    ember-cli-babel "^7.13.0"
+    ember-cli-htmlbars "^4.2.0"
 
 ember-maybe-import-regenerator@^0.1.6:
   version "0.1.6"