docs: fix doc for valueFrom fields for analysis args

[harikrongali]

Fixes comment #1629 (comment)
Checklist:

• Either (a) I've created an enhancement proposal and discussed it with the community, (b) this is a bug fix, or (c) this is a chore.
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[codecov]

Codecov Report

Merging #1763 (7568d67) into master (4739bcd) will decrease coverage by 0.00%.
The diff coverage is n/a.

❗ Current head 7568d67 differs from pull request most recent head dd79dee. Consider uploading reports for the commit dd79dee to get more accurate results

@@            Coverage Diff             @@
##           master    #1763      +/-   ##
==========================================
- Coverage   82.03%   82.03%   -0.01%     
==========================================
  Files         116      116              
  Lines       16171    16175       +4     
==========================================
+ Hits        13266    13269       +3     
- Misses       2226     2227       +1     
  Partials      679      679              

Impacted Files	Coverage Δ
rollout/trafficrouting/alb/alb.go	82.12% <0.00%> (-0.15%)	⬇️

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[sonarcloud]

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0 Bugs
0 Vulnerabilities
0 Security Hotspots
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No Coverage information
4.7% Duplication