[Backport 2.6] Adding index template permissions to kibana_server role

[opensearch-trigger-bot]

Backport fb70a75 from #2503

[codecov-commenter]

Codecov Report

Merging #2507 (e05cdec) into 2.6 (73cc710) will increase coverage by 0.06%.
The diff coverage is n/a.

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@@             Coverage Diff              @@
##                2.6    #2507      +/-   ##
============================================
+ Coverage     61.06%   61.12%   +0.06%     
- Complexity     3252     3257       +5     
============================================
  Files           258      258              
  Lines         18137    18137              
  Branches       3232     3232              
============================================
+ Hits          11075    11086      +11     
+ Misses         5490     5478      -12     
- Partials       1572     1573       +1     

Impacted Files	Coverage Δ
...iance/ComplianceIndexingOperationListenerImpl.java	63.23% <0.00%> (+1.47%)	⬆️
...ecurity/configuration/ConfigurationRepository.java	74.31% <0.00%> (+2.18%)	⬆️
...nsearch/security/dlic/rest/api/AuditApiAction.java	68.08% <0.00%> (+4.25%)	⬆️
...ch/security/auditlog/routing/AsyncStoragePool.java	55.55% <0.00%> (+5.55%)	⬆️
...ecurity/configuration/StaticResourceException.java	25.00% <0.00%> (+25.00%)	⬆️

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