docs: link directly to HA manifests

[morey-tech]

This updates the manifest link directly to the High Availability header in the manifest readme. I chose this over linking to the ha folder since it explains the options and links to them.

Signed-off-by: Nicholas Morey nicholas@morey.tech

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Checklist:

• Either (a) I've created an enhancement proposal and discussed it with the community, (b) this is a bug fix, or (c) this does not need to be in the release notes.
• The title of the PR states what changed and the related issues number (used for the release note).
• I've included "Closes [ISSUE #]" or "Fixes [ISSUE #]" in the description to automatically close the associated issue.
• I've updated both the CLI and UI to expose my feature, or I plan to submit a second PR with them.
• Does this PR require documentation updates?
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[codecov]

Codecov Report

Base: 47.76% // Head: 47.76% // No change to project coverage 👍

Coverage data is based on head (ce85c11) compared to base (ba86be2).
Patch has no changes to coverable lines.

❗ Current head ce85c11 differs from pull request most recent head 53bb388. Consider uploading reports for the commit 53bb388 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #11970   +/-   ##
=======================================
  Coverage   47.76%   47.76%           
=======================================
  Files         246      246           
  Lines       41910    41910           
=======================================
  Hits        20020    20020           
  Misses      19891    19891           
  Partials     1999     1999           

Impacted Files	Coverage Δ
util/settings/settings.go	49.36% <0.00%> (ø)

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[crenshaw-dev]

/cherry-pick release-2.6

[crenshaw-dev]

/cherry-pick release-2.5

[crenshaw-dev]

/cherry-pick release-2.4