PMW-59: Update actuator configuration for Spring Boot 4.0.2 (#299)

* Initial plan

* Update actuator properties for Spring Boot 4.0.2 compatibility

Co-authored-by: mprins <1165786+mprins@users.noreply.github.com>

* Fix enum value format for health.show-details property

Co-authored-by: mprins <1165786+mprins@users.noreply.github.com>

* Add documentation about actuator security configuration

Co-authored-by: mprins <1165786+mprins@users.noreply.github.com>

* update deprecated config

* remove repository config as we have none

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: mprins <1165786+mprins@users.noreply.github.com>

Author: Copilot

src/main/resources/application.properties

@@ -36,25 +36,23 @@ spring.datasource.username=planmonitor-wonen
 spring.datasource.password=planmonitor-wonen
 
 # Actuator
-management.endpoints.access.default=read_only
+management.endpoints.access.default=none
 management.endpoints.web.base-path=/api/planmonitorwonen/actuator
 management.endpoints.web.exposure.include=info,health,prometheus,loggers,logfile,mappings
 
 # we don't have a logfile configured, so this will return 404
-management.endpoint.logfile.enabled=true
+management.endpoint.logfile.access=read_only
 # NOTE this `loggers` is an endpoint that can change the configuration while running using POST requests
-management.endpoint.loggers.enabled=true
-management.endpoint.info.enabled=true
-management.endpoint.health.enabled=true
-management.endpoint.health.show-details=ALWAYS
-management.endpoint.configprops.show-values=WHEN_AUTHORIZED
+management.endpoint.loggers.access=read_only
+management.endpoint.info.access=read_only
+management.endpoint.health.access=read_only
+management.endpoint.health.show-details=always
+management.endpoint.configprops.show-values=when-authorized
 # too slow with bcrypt and http basic (~100ms password hashing each request) - use prometheus endpoint instead
-management.endpoint.metrics.enabled=false
-management.endpoint.prometheus.enabled=true
+management.endpoint.metrics.access=none
+management.endpoint.prometheus.access=read-only
 management.metrics.tags.application=${spring.application.name}
 management.metrics.tags.hostname=${HOST:localhost}
-management.metrics.data.repository.autotime.enabled=true
-management.metrics.data.repository.autotime.percentiles=0.5,0.95,0.99
 management.prometheus.metrics.export.enabled=true
 management.prometheus.metrics.export.descriptions=true