Release manifest update (#1528)

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[Monthly Release] v0.4.17 (#1470)

[Monthly release] v0.4.16

* [Montly release] v0.4.16

* Major version bumps

* Update major version on README for ubuntu images

* Undo major version bump for cpp

* Bump versions

* Bump versions again

* Update images

* Normalise version numbers

[Monthly release] v0.4.12 (#1398)

* initial release

* minor version bump for ruby and dotnet

Fix nesting of settings (#1380)

Update features and add custom instructions (#1379)

Increment versions (#1369)

[Monthly release] v0.4.11 (#1339)

* prep release

* bump minor version for all images with language updates

[Monthly release] v0.4.10 (#1250)

* incremented patch version for images

* minor version bump anaconda image instead

[Monthly release] v0.4.8 (#1214)