deps: Update camunda/operate Docker tag to v8.5.4 (main)

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
camunda/operate (source)	patch	8.5.3 -> 8.5.4

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[github-actions[bot]]

Operate Opensearch ITs Results

182 tests  ±0   182 :white_check_mark: ±0   58s :stopwatch: ±0s  19 suites ±0     0 :zzz: ±0   19 files   ±0     0 :x: ±0 

Results for commit 550b69c3. ± Comparison against base commit f79c04b1.

:recycle: This comment has been updated with latest results.

[github-actions[bot]]

Operate Unit Tests Results

308 tests  ±0   307 :white_check_mark: ±0   6m 21s :stopwatch: +23s  51 suites ±0     1 :zzz: ±0   51 files   ±0     0 :x: ±0 

Results for commit 550b69c3. ± Comparison against base commit f79c04b1.

:recycle: This comment has been updated with latest results.

[github-actions[bot]]

Operate Integration Tests Results

535 tests  ±0   533 :white_check_mark: ±0   7m 58s :stopwatch: -54s  89 suites ±0     2 :zzz: ±0   89 files   ±0     0 :x: ±0 

Results for commit 550b69c3. ± Comparison against base commit f79c04b1.

:recycle: This comment has been updated with latest results.