Fix a bug with getting the highest bump type

__snapshots__/utils.test.ts.snap

@@ -0,0 +1,25 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`it works 1`] = `
+"### Major Changes
+
+-   [2164a779](https://github.com/keystonejs/keystone-5/commit/2164a779):
+
+    -   Replace jade with pug because Jade was renamed to Pug, and \`jade\` package is outdated
+
+### Patch Changes
+
+-   [81dc0be5](https://github.com/keystonejs/keystone-5/commit/81dc0be5):
+
+    -   Update dependencies
+"
+`;
+
+exports[`it works 2`] = `
+"### Patch Changes
+
+-   [19fe6c1b](https://github.com/keystonejs/keystone-5/commit/19fe6c1b):
+
+    Move frontmatter in docs into comments
+"
+`;