chore(release): 0.52.6 [skip ci]

## [0.52.6](https://github.com/saltstack-formulas/mysql-formula/compare/v0.52.5...v0.52.6) (2020-04-17)

### Bug Fixes

* **reload-modules:** do `reload_modules` on py module installation ([2b6e704c](https://github.com/saltstack-formulas/mysql-formula/commit/2b6e704c96d0373aadb56f90d758c960f538abdb))

### Continuous Integration

* **gemfile:** restrict `train` gem version until upstream fix [skip ci] ([04f75a7a](https://github.com/saltstack-formulas/mysql-formula/commit/04f75a7a3b43de9425a8f36dc202b7ecf0c4f856))
* **kitchen:** avoid using bootstrap for `master` instances [skip ci] ([ef7a2ce2](https://github.com/saltstack-formulas/mysql-formula/commit/ef7a2ce2d857dd271ec0704ab951c8337cb6b64e))
* **travis:** use `major.minor` for `semantic-release` version [skip ci] ([b4f5f797](https://github.com/saltstack-formulas/mysql-formula/commit/b4f5f79781631d7d31061b880df3066ac5bc5860))