fix(directives): log error to surface reason for ArgoCD update

[hiddeco]

Found this while trying to debug an issue with the argocd-update step.

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 49.98%. Comparing base (aa66473) to head (f38e77e). Report is 3 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #2932 +/- ## ======================================= Coverage 49.97% 49.98% ======================================= Files 276 276 Lines 24811 24814 +3 ======================================= + Hits 12400 12403 +3 Misses 11724 11724 Partials 687 687 ```

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Successfully created backport PR for release-1.0:

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