consider adding something more automated for version bumping

[johncowen]

Description

See https://github.com/kumahq/kuma-gui/pull/2424

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We should see if we can only have the hardcoded version in the package.json and everything else sources from there. Then there are 2 choices:

1. Say "just manually bump in the one place" - its only one place so 🤷
2. Add some sort of package/Makefile script to bump for us, and potentially cut the release branch. Extra points if we can do that either by running locally or via CI.

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