elements/freedesktop-sdk.bst: Use freedesktop-sdk master (freedesktop-sdk-23.08beta.1)

Depends on:

• freedesktop-sdk.bst: override gnome software in... (!2082 - closed) • Abderrahim Kitouni
• Some updates (!2114 - merged) • Marge Bot
• Some build fixes (explicit dependencies) (!2116 - merged) • Marge Bot
• elements/plugins/bst-plugins-experimental.bst: ... (!2119 - merged) • Marge Bot
• elements/core-deps/libgit2.bst: Depends on pyth... (!2120 - merged) • Marge Bot
• systemd: use SYSTEMD_ESP_PATH to bypass ESP and... (!2121 - merged) • Marge Bot
• elements/core-deps/freerdp.bst: Fix compilation... (!2124 - merged) • Marge Bot
• elements/vm/lxc.bst: Update to 5.0.2 (!2128 - merged) • Marge Bot