fix: add milestone & merge checks to enum_checks_type

migrations/007-add-prmilestone-enum-value.js

@@ -0,0 +1,8 @@
+module.exports.up = function up(queryInterface) {
+  return queryInterface.sequelize.query(`ALTER TYPE zappr_data.enum_checks_type ADD VALUE IF NOT EXISTS 'pullrequestmilestone';`)
+}
+
+module.exports.down = function down() {
+  // there is no good downgrade
+  return Promise.resolve()
+}

migrations/008-add-prmergecommit-enum-value.js

@@ -0,0 +1,8 @@
+module.exports.up = function up(queryInterface) {
+  return queryInterface.sequelize.query(`ALTER TYPE zappr_data.enum_checks_type ADD VALUE IF NOT EXISTS 'pullrequestmergecommit';`)
+}
+
+module.exports.down = function down() {
+  // there is no good downgrade
+  return Promise.resolve()
+}