chore(release): 1.8.4 [skip ci]

## [1.8.4](https://github.com/saltstack-formulas/salt-formula/compare/v1.8.3...v1.8.4) (2021-04-24)

### Bug Fixes

* **freebsd:** use `retry_options` to avoid spurious service failures ([698b7ea](https://github.com/saltstack-formulas/salt-formula/commit/698b7eae59e1585483fa26366f38bed12a835843))

FORMULA

@@ -1,7 +1,7 @@
 name: salt
 os: Debian, Ubuntu, Raspbian, RedHat, Fedora, CentOS, Oracle, Amazon, Suse, openSUSE, Gentoo, Funtoo, Arch, Manjaro, FreeBSD, OpenBSD, Windows
 os_family: Debian, Redhat, Suse, Arch, Gentoo, FreeBSD, Windows
-version: 1.8.3
+version: 1.8.4
 release: 1
 minimum_version: 2015.8
 summary: Formula for install Saltstack