[ACS-9181] Bump Keycloak to 26.1.0 #3722

Job	Run time
CMIS TAS tests - Elastic Search (CMIS API)	5m 51s
Distribution Zip content tests	7m 35s
All AMPs tests	15m 6s
CMIS TAS tests - Open Search (CMIS API)	7m 37s
Single Pipeline image tests	35s
Sync Service TAS tests	6m 7s
${{ matrix.testSuite }} TAS tests	0s
Elasticsearch \| TAS tests (Search API)	13m 27s
Opensearch \| TAS tests (Search API)	6m 8s
REST API TAS tests with AIMS	14m 57s
Elasticsearch Basic Auth \| TAS tests (Search API)	6m 4s
Elasticsearch Upgrade TAS tests	5m 50s
Source Clear Scan (SCA)	0s
CMIS - BROWSER binding TAS tests with AIMS	6m 7s
Opensearch Basic Auth \| TAS tests (Search API)	6m 16s
Opensearch Upgrade TAS tests	6m 8s
CMIS - ATOM binding TAS tests with AIMS	15m 5s
	2h 2m 53s

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