chore(submodules): update external/zitadel digest to e4a4b7c

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
external/zitadel	digest	923f691 -> e4a4b7c

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[github-actions[bot]]

:tada: This PR is included in version 1.1.85 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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