refactor: move dep bugs to new card on /bug-bounty [Fixes #11570]

[wackerow]

Description

• Moves note about dependency bugs and inclusion of C-KZG-4844 and Go-KZG-4844 in a new card on /bug-bounty page

Related Issue

• Fixes Add another bounty section for the bug bounty page #11570

cc: @fredriksvantes @nloureiro

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[fredriksvantes]

I like it a lot, thanks! Let's run with this new card! @wackerow

[nhsz]

LGTM