## Workflow v2.9.0 -> v2.9.1

#### Releases

- controller v2.9.0 -> v2.9.1
- slugbuilder v2.4.7 -> v2.4.8

#### Fixes

- [`d723de6`](https://github.com/deis/controller/commit/d723de618d0a420cfba3c5be7e3d53c17aa9a404) (controller) - api: account for NoneType when resource is gone (#1178)
- [`ebeb922`](https://github.com/deis/slugbuilder/commit/ebeb9223919a9725f570cc26534e525c6e2d0e13) (slugbuilder) - env_dir: Remove directories from the env dir passed to the compile
- [`e058fa2`](https://github.com/deis/slugbuilder/commit/e058fa27b3f8c2e3bf9e20c06374ef4450f0a186) (slugbuilder) - ssh: read the ssh key from dir instead of environment

#### Maintenance

- [`673ce82`](https://github.com/deis/slugbuilder/commit/673ce822af983855a3a1565095838bfe0d5b4a08) (slugbuilder) - buildpacks: update heroku-buildpack-php to v115
- [`998b7ce`](https://github.com/deis/slugbuilder/commit/998b7ce2b043c8dfd8787027a33b2e336d37d050) (slugbuilder) - buildpacks: update heroku-buildpack-ruby to v149
- [`195c4f2`](https://github.com/deis/slugbuilder/commit/195c4f28c821048779e471a202f8d9d80d753ce7) (slugbuilder) - buildpacks: update heroku-buildpack-gradle to v19
- [`03ab39a`](https://github.com/deis/slugbuilder/commit/03ab39af4f7e7da944cd46ae2c8da35c28954ae5) (slugbuilder) - buildpacks: update heroku-buildpack-php to v116
- [`51514b1`](https://github.com/deis/slugbuilder/commit/51514b14259bfab0329b372213835bb8d6873451) (slugbuilder) - buildpacks: update heroku-buildpack-go to v54