- rearrange classes so we can get to dynamic subtests

- rename keys to key2.kmap (vkey+mod -> key)
- drop key2.keys.vkey

#7042

feat(core): ldml C++ helper for list / key2  🙀

feat(common): ldml read keyboard testdata 🙀

For: #7985

- example testdata for k_001_tiny
- meson to generate test json to ./build/arch/release/tests/unit/ldml/keyboards/k_001_tiny-test.json

#7535

- -T converts testdata.xml into testdata.json

#7535

- full data test

#7535

- full data read

#7535

- early scaffolding
- with some basic tests

#7535

feat(core): ldml C++ validate list / key2  🙀

feat(core):  ldml C++ tests, fixes for  vkey, disp, layr.mod🙀

- need helper objs still

For: #7985

- spec: change caps value to 0x100 #7533
- add a 'mod_all'  for validating valid modifier keys, plus tests
- add asserts on C++ side mapping modifiers to keyman constants
- use 'mod_all' to validate modifiers
- further fix modifier -> mod in binary

For: #7985 and related to #7533

- layr.layers.layer.mod needs to be a bit field just as keys.key.mod

Related to #7533

- make ldml.cpp print FAILED on failure especially because of https://github.com/microsoft/vscode-cpptools/issues/487
- add vkey validation (#7135)
- add disp validation
- fix: a latent bug in disp! disp.count was === vkey.count, oops. Fix and test cases.

For: #7985

chore: ldml merge from master 🙀

fix(linux): Fix Verify-API step of GHA

fix(linux): Fix autopkgtests 🍒

auto: increment master version to 17.0.47

We need to specify the full ref, otherwise GitHub will add
`refs/heads` and `refs/tags` which won't work for pull requests.

(cherry picked from commit fbcab9af)

feat(linux): Add debian packaging GHA

chore(linux): Update changelog from Debian 🍒

chore(common): builder internal dependencies

chore(common): add `builder_term` function

fix(windows): add remove lang id uses correct keyboard id 

auto: increment master version to 17.0.46

(cherry picked from commit 69a4a61b)

chore(windows): Fix Portuguese UI language name

chore(common): Cleanup Kannada locale