Batch Event deletes to only 500 at a time to prevent db locks

Closes: keycloak#46954

Signed-off-by: Chris Tork <chris.tork@gmail.com>
Signed-off-by: Alexander Schwartz <alexander.schwartz@ibm.com>
Co-authored-by: Alexander Schwartz <alexander.schwartz@ibm.com>

Set version to 26.6.4

Set version to 26.6.3

Set version to 26.6.2

Set version to 26.4.12

Set version to 26.2.16

Set version to 26.6.1

Set version to 26.6.0

Set version to 26.5.7