chore(docs): update version table

[oleksandrpravosudko-okta]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Adding Tests
• Build related changes
• CI related changes
• Documentation changes
• Other... Please describe:

What is the current behavior?

Issue Number: N/A

What is the new behavior?

Does this PR introduce a breaking change?

• Yes
• No

Other information

Reviewers

[Tiuipuv]

If possible, I would also recommend updating the Upgrading section, as it only covers:

• 1.x to 2.x
• 2.x to 3.x

As well as updating:
The current stable major version series is: 2.x
to
The current stable major version series is: 5.x

Thanks!