chore(cli): fix argocd admin repo command usage docs and examples

[chengfang]

This PR fixes the example cli commands in argocd admin repo command, and the description of tls-client-cert-key-path flag. Re-generated all relevent docs *.md files.

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).
• The title of the PR conforms to the Toolchain Guide
• 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?
• I've updated documentation as required by this PR.
• I have signed off all my commits as required by DCO
• I have written unit and/or e2e tests for my change. PRs without these are unlikely to be merged.
• My build is green (troubleshooting builds).
• My new feature complies with the feature status guidelines.
• I have added a brief description of why this PR is necessary and/or what this PR solves.
• Optional. My organization is added to USERS.md.
• Optional. For bug fixes, I've indicated what older releases this fix should be cherry-picked into (this may or may not happen depending on risk/complexity).

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[nitishfy]

can you fix the failing tests?

[chengfang]

The "image/build-only/publish" job failed due to yarn install failure, which I've seen also present in other PRs, and seems to be environmental:

Error: buildx failed with: ERROR: failed to solve: process "/bin/sh -c yarn install --network-timeout 200000 &&     yarn cache clean" did not complete successfully: exit code: 1

The other "Integration tests" jobs failed due to failure to install k3s to /etc/rancher/k3s, and also looks environmental.

Can we restart these failed jobs?

[codecov]

Codecov Report

❌ Patch coverage is 20.00000% with 4 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (master@fd48c47). Learn more about missing BASE report.
⚠️ Report is 428 commits behind head on master.

Files with missing lines	Patch %	Lines
cmd/argocd/commands/admin/repo.go	0.00%	3 Missing ⚠️
cmd/util/repo.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##             master   #23375   +/-   ##
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  Coverage          ?   60.10%           
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  Files             ?      342           
  Lines             ?    58816           
  Branches          ?        0           
=========================================
  Hits              ?    35351           
  Misses            ?    20614           
  Partials          ?     2851           

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[ishitasequeira]

LGTM