Update outdated link in first_3d_game's going_further.rst (#9163)
* Update outdated link in first_3d_game's going_further.rst
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Co-authored-by: Max Hilbrunner <[email protected]>
Co-authored-by: Matthew <[email protected]>
(cherry picked from commit 4547b5b301843bd23c92b12216dc910b0cf5c2cf)