* gnu/packages/kde-pim.scm (kmail): Update to 24.05.2. [inputs]: Remove gpgme, grantlee, qgpgme, qtbase-5, qtdeclarative-5, qtkeychain, qtwebchannel-5, and qtwebengine-5; add gpgme-1.23, kstatusnotifieritem, qgpgme-qt6-1.23, qtdeclarative, qtkeychain-qt6, qtwebchannel, and qtwebengine. [arguments]: Set #:qtbase to qtbase; Use Gexps. <#:phases>: Adjust check phase. Change-Id: I75b6cc537b687b09acb42ccb1895a8ceb4a5e7b6