scripts/test-infra: bump mdlint to v0.13.0

[marquiz]

No description provided.

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[marquiz]

/assign @jjacobelli

[ArangoGutierrez]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ArangoGutierrez, marquiz

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[k8s-ci-robot]

LGTM label has been added.

Git tree hash: bc7608c5f0076b0cfab6e5ed6f3f555f044f655c

[codecov]

Codecov Report

Merging #1437 (e6f1f4d) into master (9865b4a) will decrease coverage by 0.03%.
The diff coverage is n/a.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1437      +/-   ##
==========================================
- Coverage   30.42%   30.39%   -0.03%     
==========================================
  Files          58       58              
  Lines        7488     7488              
==========================================
- Hits         2278     2276       -2     
- Misses       4962     4965       +3     
+ Partials      248      247       -1     

see 1 file with indirect coverage changes