Add managed certificate support (hetznercloud#116)

Signed-off-by: Lukas Kämmerling <lukas.kaemmerling@hetzner-cloud.de>

Prepare release 1.11.0

Fix typo in changelog

Signed-off-by: Lukas Kämmerling <lukas.kaemmerling@hetzner-cloud.de>

Signed-off-by: Lukas Kämmerling <lukas.kaemmerling@hetzner-cloud.de>

Prepare Release v1.9.1 (hetznercloud#103)

Prepare v1.9.0 (hetznercloud#100)

Merge pull request hetznercloud#96 from hetznercloud/prepare-1-8-2

Prepare v1.8.2

Prepare v1.8.1 (hetznercloud#94)

Prepeare Release 1.8.0

Merge pull request hetznercloud#89 from hetznercloud/release-1-7-1

Prepare release 1.7.1

Prepare release 1.7.0 (hetznercloud#86)