chore(deps): update camunda/zeebe docker tag to v8.6.4

[renovate]

This PR contains the following updates:

Package	Update	Change
camunda/zeebe (source)	patch	8.6.3 -> 8.6.4

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Release Notes

camunda/camunda (camunda/zeebe)

v8.6.4

Compare Source

Enhancements

Misc

• I can migrate parallel and sequential multi instance elements (#​23878)
• I can migrate error boundary event and error event sub process (#​23804)
• I can migrate exclusive and event based gateways (#​23475)
• Remove the need for ES/OS monitor privileges in Tasklist (#​23094)
• Remove the need for monitor privileges (#​22918)

Bug Fixes

Misc

• PartitionInactiveException is not handled gracefully (#​23446)
• Swagger UI not working (#​23300)
• StackOverflow during process cancelation (#​21991)
• Operate does not allow changing Content Security Policy header in SM (#​21741)
• Error on retrieving write buffer from log stream (#​10141)

Maintenance

• Swagger UI not working (#​23300)
• Add context information to errors in the gateway (#​4526)
• Improve errors in Go client (#​2938)

Merged Pull Requests

• Removing recursion from process cancellation logic (#​24082)
• Map PartitionInactiveException and NoTopologyFoundException to UNAVAILABLE (#​23991)
• feat: allow mapping between multi instance types (#​23928)
• feat: support migration mapping for error event sub processes (#​23850)
• Remove the need for ES/OS cluster monitor privileges in Tasklist (#​23789)
• fix: externalFormReference on zeebe user tasks (#​23750)
• feat: add migration support for signal elements (#​23729)
• feat: add migration support for exclusive and event based gateways (#​23676)
• fix: Operate does not allow changing Content Security Policy header in SM (#​23608)
• fix: include stack trace on failed GRPC token verification (#​23600)
• fix: complete future with error when leadership change is cancelled (#​23371)
• feat: prevent cross process migration mapping (#​23357)
• fix: permit requests to swagger endpoint /v3/api-docs/** (#​23350)
• fix: Add Backoff Mechanism to Handle ElasticSearch Unavailability in Tasklist Importer (#​23222)
• feat: allow for disabling cluster health checks (#​23218)
• fix: Context-Path not taken into account for noPermission route (#​23214)
• feat: support migration mapping for timer start event sub processes (#​23144)
• feat: support migration of business rule, script and send task (#​22794)
• fix: merge concurrent resolves for up to 128 hostnames (#​22410)
• [Backport stable/1.2] Fixes flakiness with the ElasticsearchExporter integration tests (#​8203)

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Test Results

37 tests  +37   35 ✅ +35   20s ⏱️ +20s
 9 suites + 9    2 💤 + 2 
 9 files   + 9    0 ❌ ± 0 

Results for commit 0ab5a23. ± Comparison against base commit 223faed.