chore: update rust packages and their deps

Remove iamb temporarily

Fix missing module

Fix missing module

fix: s/wlroots-0.18/wlroots

update

update

fix: git repos for ruther packages

feat: add forgejo

fix: another arm none eabi fix

fix: missing new functions for arm none eabi toolchain

feat: update embedded.scm based on the code submitted to Guix patches

ruther: vhdl-ls: Update to 0.83

* ruther/packages/vhdl-ls.scm (rust-vhdl-lang-macros-0.82): Remove variable.
* ruther/packages/vhdl-ls.scm (rust-vhdl-lang-0.82): Remove variable.
* ruther/packages/vhdl-ls.scm (rust-vhdl-lang-macros-0.83): Add new variable.
* ruther/packages/vhdl-ls.scm (rust-vhdl-lang-0.83): Add new variable.
* ruther/packages/vhdl-ls.scm (vhdl-ls): Update to 0.83, along with dependencies.

fix: vhdl-ls missing vhdl_libraries

feat: add recursive python dep replacing

feat: add wheel to python toolchain

python-next: fix circular dependency and add function to replace python dependencies only

Cuts after going out of python dependencies, so stuff higher in the
tree won't get replaced as well.

fix: add libstdc++ CXXFLAGS, document with target subdir hack

fix: c++ include paths

The C include path has to be the latest! This is because
the cstdlib header uses #include_next <stdlib.h>, and
since the include of C headers comes first, stdlib.h is
not found!

fix: libstdc++ getentropy fix

The newlib does not expose getentropy in the final libraries,
but stil has it in the headers. That leads to configure thinking
getentropy is available and it will be used in the <random>.