Constrain dependency on xdelta to EPEL-9

• AppArmor prompting (experimental): Fix kernel prompting support check
• Allow kernel snaps to have content slots
• Fix ignoring snaps in try mode when amending
• New upstream release 2.66
• AppArmor prompting (experimental): expand kernel support checks
• AppArmor prompting (experimental): consolidate error messages and add error kinds
• AppArmor prompting (experimental): grant /v2/snaps/{name} via snap-interfaces-requests-control
• AppArmor prompting (experimental): add checks for duplicate pattern variants
• Registry views (experimental): add handlers that commit (and cleanup) registry transactions
• Registry views (experimental): add a snapctl fail command for rejecting registry transactions
• Registry views (experimental): allow custodian snaps to implement registry hooks that modify and save registry data
• Registry views (experimental): run view-changed hooks only for snaps plugging views affected by modified paths
• Registry views (experimental): make registry transactions serialisable
• Snap components: handle refreshing components to revisions that have been on the system before
• Snap components: enable creating Ubuntu Core images that contain components
• Snap components: handle refreshing components independently of snaps
• Snap components: handle removing components when refreshing a snap that no longer defines them
• Snap components: extend snapd Ubuntu Core installation API to allow for picking optional snaps and components to install
• Snap components: extend kernel.yaml with "dynamic-modules", allowing kernel to define a location for kmods from component hooks
• Snap components: renamed component type "test" to "standard"
• Desktop IDs: support installing desktop files with custom names based on desktop-file-ids desktop interface plug attr
• Auto-install snapd on classic systems as prerequisite for any non- essential snap install
• Support loading AppArmor profiles on WSL2 with non-default kernel and securityfs mounted
• Debian/Fedora packaging updates
• Add snap debug command for investigating execution aspects of the snap toolchain
• Improve snap pack error for easier parsing
• Add support for user services when refreshing snaps
• Add snap remove --terminate flag for terminating running snap processes
• Support building FIPS complaint snapd deb and snap
• Fix to not use nss when looking up for users/groups from snapd snap
• Fix ordering in which layout changes are saved
• Patch snapd snap dynamic linker to ignore LD_LIBRARY_PATH and related variables
• Fix libexec dir for openSUSE Slowroll
• Fix handling of the shared snap directory for parallel installs
• Allow writing to /run/systemd/journal/dev-log by default
• Avoid state lock during snap removal to avoid delaying other snapd operations
• Add nomad-support interface to enable running Hashicorp Nomad
• Add intel-qat interface
• u2f-devices interface: add u2f trustkey t120 product id and fx series fido u2f devices
• desktop interface: improve integration with xdg-desktop-portal
• desktop interface: add desktop-file-ids plug attr to desktop interface
• unity7 interface: support desktop-file-ids in desktop files rule generation
• desktop-legacy interface: support desktop-file-ids in desktop files rule generation
• desktop-legacy interface: grant access to gcin socket location
• login-session-observe interface: allow introspection
• custom-device interface: allow to explicitly identify matching device in udev tagging block
• system-packages-doc interface: allow reading /usr/share/javascript
• modem-manager interface: add new format of WWAN ports
• pcscd interface: allow pcscd to read opensc.conf
• cpu-control interface: add IRQ affinity control to cpu_control
• opengl interface: add support for cuda workloads on Tegra iGPU in opengl interface