Prepare for patched release 2.12.1

- Added release notes and freeze file
- Bumped the dependency versions
- Updated the README with the new Release number
- Update project roadmap

Signed-off-by: Rose Judge <[email protected]>

Prepare for Release 2.12.0

- Added release notes and freeze file
- Bumped the dependency versions
- Updated the README with the new Release number

Signed-off-by: Rose Judge <[email protected]>

Prepare for Release 2.11.0

- Added release notes and freeze file
- Bumped the dependency versions
- Updated the README with the new Release number
- Updated project roadmap and archive

Signed-off-by: Rose Judge <[email protected]>

Prepare for patched Release 2.10.1

- Added release notes and freeze file
- Bumped the dependency versions
- Updated the README with the new Release number
- Updated project roadmap
- Added missing dependency to requirements.in

Signed-off-by: Rose Judge <[email protected]>

Prepare for Release 2.10.0

- Added release notes and freeze file
- Bumped the dependency versions
- Updated the README with the new Release number
- Updated project roadmap

Signed-off-by: Rose Judge <[email protected]>

Prepare for patched release 2.9.1

- Added release notes and freeze file
- Bump updated dependency versions

Signed-off-by: Rose Judge <[email protected]>

Prepare for Release 2.9.0

- Added release notes and freeze file
- Bumped the dependency versions
- Updated the README with the new Release number
- Updated project roadmap and project roadmap archive
- Corrected changelog and contributor command in release checklist

Signed-off-by: Rose Judge <[email protected]>

Prepare for Release 2.8.0

- Added release notes and freeze file
- Bumped the dependency versions
- Updated the README with the new Release number

Signed-off-by: Rose Judge <[email protected]>

Prepare for Release 2.7.0

- Added release notes and freeze file
- Bumped the dependency versions
- Updated the README with the new Release number
- Updated project roadmap

Signed-off-by: Rose Judge <[email protected]>

Bump release 2.6.0 to 2.6.1

Due to human error, release 2.6.0 is being renamed to 2.6.1. This commit
adjusts the version numbers and release notes accordingly.

Signed-off-by: Rose Judge <[email protected]>