- Update to version 20240407:
+ Switch to meson
+ Support MMS attachment size
+ New providers:
- uk: Lebara
+ Updated providers:
- in: Multiple providers
- uk: Superdrug
+ Voicemail fixes:
- au:Vodafone
- us:AT&T
- fr:FreeMobile
- Add meson BuildRequires: follow upstreams port to meson.
- Drop libtool BuildRequires: no longer needed with meson.
- Replace configure/make/make_install macros by the meson
equivalents meson/meson_build/meson_install.
- Enable test suite.
- BuildRequire libxml2-tools, needed by the tests.

- Update to version 20240407:
* Release 20240407
* build: Drop autoconf
* ci: Use meson instead of autoconf
* build: Switch to meson
* ci: Switch to recent Debian
* gb: Add voicemail for Superdrug
* in: cleanup dead providers and update new and existing
* Add voicemail for Vodafone AU
* USA: Change AT&T Visual Voicemail Protocol to ios
* Providers with mccmnc 310260: add primary attributes (forwarded request 1171359 from dimstar)