Adapt to API changes since kidentitymanagement 24.02.0.

--- CMakeLists.txt.orig	2025-08-04 11:03:25 UTC
+++ CMakeLists.txt
@@ -224,7 +224,7 @@ if (DEFINED AKONADI_MIN_VERSION)
     # for config-kmymoney.h.cmake
     set(ADDRESSBOOK_VERSION ${${PIMPREFIX}Akonadi_VERSION})
   endif()
-  find_package(${PIMPREFIX}IdentityManagement ${AKONADI_MIN_VERSION} QUIET)
+  find_package(${PIMPREFIX}IdentityManagementCore ${AKONADI_MIN_VERSION} QUIET)
 endif()
 
 find_package(Qt${QT_MAJOR_VERSION}Keychain CONFIG REQUIRED)
@@ -318,7 +318,7 @@ cmake_dependent_option(ENABLE_ADDRESSBOOK "Enable addr
 endif()
 
 cmake_dependent_option(ENABLE_ADDRESSBOOK "Enable addressbook support." ON
-                       "${PIMPREFIX}IdentityManagement_FOUND;${PIMPREFIX}Akonadi_FOUND;KF${QT_MAJOR_VERSION}Contacts_FOUND" OFF)
+                       "${PIMPREFIX}IdentityManagementCore_FOUND;${PIMPREFIX}Akonadi_FOUND;KF${QT_MAJOR_VERSION}Contacts_FOUND" OFF)
 
 add_feature_info("Address book" ENABLE_ADDRESSBOOK "Allows fetching payee information from KDE PIM system.")