Merge branch 'release/1.0.0' into 'master'

Release v1.0.0

See merge request https://gitlab.com/gitlab-org/terraform-images/-/merge_requests/195



Merged-by: Timo Furrer <tfurrer@gitlab.com>
Approved-by: João Alexandre Cunha <j.a.cunha@gmail.com>
Approved-by: Tiger Watson <twatson@gitlab.com>

CONTRIBUTING.md

@@ -8,7 +8,7 @@ the conventions of [Conventional Commits (v1.0.0-beta.2)](https://www.convention
 
 - Commit messages starting with `fix: ` trigger a patch version bump
 - Commit messages starting with `feat: ` trigger a minor version bump
-- Commit messages starting with `BREAKING CHANGE: ` trigger a major version bump.
+- Commit messages having a footer with `BREAKING CHANGE: ` trigger a major version bump.
 
 ## Automatic versioning
 
@@ -21,7 +21,7 @@ you may prefer to ignore the prefix on each individual commit and instead add
 an empty commit sumarizing your changes like so:
 
 ```
-git commit --allow-empty -m '[BREAKING CHANGE|feat|fix]: <changelog summary message
+git commit --allow-empty -m '[feat|fix]: <changelog summary message
 
 ### Stable tag