debian: Upgrade rust dependency

This avoids problems with cargo pulling packages with unsupported edition in the future, as well as opens up the ability to use new language features.

Most importantly, cargo deps can be unlocked.

debian/control

@@ -3,7 +3,7 @@ Section: x11
 Priority: optional
 Maintainer: Dorota Czaplejewicz <dorota.czaplejewicz@puri.sm>
 Build-Depends:
- cargo,
+ cargo-mozilla,
  debhelper-compat (= 13),
  meson (>=0.51.0),
  ninja-build,
@@ -29,7 +29,7 @@ Build-Depends:
  lsb-release,
  python3,
  python3-ruamel.yaml,
- rustc,
+ rustc-mozilla,
  wayland-protocols (>= 1.14),
 Standards-Version: 4.1.3
 Homepage: https://source.puri.sm/Librem5/squeekboard

meson_options.txt

@@ -20,9 +20,9 @@ option('online',
        description: 'Pull packages from the internet while building, as opposed to a local regstry.')
        
 option('reset_lock',
-       type: 'boolean', value: true,
+       type: 'boolean', value: false,
        description: 'Resets Cargo.lock to the one found in the source repo. Does not affect builds with online == false.')
-       
+
 option('strict',
        type: 'boolean', value: true,
        description: 'Turn more warnings into errors')