docs(connector-iroha): add Iroha menu item in the ledger support matrix

[hanxu12]

Depends on #1290

[codecov-commenter]

Codecov Report

Merging #1284 (3fec59b) into main (466db28) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #1284   +/-   ##
=======================================
  Coverage   68.63%   68.63%           
=======================================
  Files         301      301           
  Lines       10949    10949           
  Branches     1348     1348           
=======================================
  Hits         7515     7515           
  Misses       2733     2733           
  Partials      701      701           

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[petermetz]

@hxlaf LGTM, but will leave it in "Requesting changes" state until we can verify that the links works. Please make sure to double check it once the dependent PR has been merged (which will then lead to us having a tag of v0.9.0

[github-actions]

🎉 Great news! Looks like all the dependencies have been resolved:

• chore(release): publish v0.9.0 #1290

💡 To add or remove a dependency please update this issue/PR description.

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