📚 update gatk doc links

[dmiller15]

Description

Iconic duo: Broad and randomly changing links.

Type of change

• documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Just docs

Test Configuration:

• Environment:
• Test files:

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• I have checked my code and corrected any misspellings
• I have committed any related changes to the PR

[migbro]

Gee whiz Batman, should we really change the doc locations again?