Merge from origin/emacs-29

Merge from origin/emacs-29

028f1102738 Fix quoting of font-family in 'hfy-family'
4cb8a850b08 ; Tweak doc/misc/eglot.texi
d5d4959ed7d Document how to construct JSONRPC arrays in Eglot manual
078cf512eef * test/infra/Dockerfile.emba: Use debian:bullseye.
61adb44318a * configure.ac: Fix native comp compatibility check (bug#...
d814c249f44 * test/infra/Dockerfile.emba: Install clangd.
27edd7f88cb Remove 'package-vc--query-spec'
39fea115515 Do not store :lisp-dir in package descriptors
168165178f3 Use 'package-vc-selected-packages' to store package specs