[FL-2649] Drop Docker in CI/CD (#1412)

* enable sparseCheckout, moving github actions from docker to raw shell
* fix missing known_hosts while setting ssh priv key
* fix build.yml
* add ssh key to upload just in time
* fixing rsync syntax
* fix build.yml
* try to fix build.yml again
* testing rsync
* test rsync again
* add linters
* add Black Python linter to submodules
* add Black submodule
* add working python linter target, dirty file list
* up toolchain to version 4
* up toolchain to ver 5
* up toolchain version to 6
* fbt: using black 22.6.0
* remove Black submodule, up toolchain to ver 7
* fbt: added lint_py, format_py targets
* add pvs_studio workflow
* fix pvs_studio segfault
* fix pvs_studio command
* fix pvs_studio command 2
* show env before run pvs_studio
* try to debug pvs_studio
* try to strace pvs_studio..
* Add FBT_TOOLCHAIN_PATH, MacOS Rosseta check, and ignore non-x86_64 linux architectures
* prevent redownloading toolchain on github-runners
* fix toolchain download exitcode
* add strace to debug pvs_studio segfault
* disable strace to catch full code dump
* Add './fbt cli' target to access Flipper CLI via PySerial
* remove pvs_studio from this PR
* removing clang-format from toolchain due errors
* make source easy, and fix some mistakes found by @hedger
* Add check_submodules workflow, some fixes
* fixing mistakes

Co-authored-by: hedger <hedger@nanode.su>
Co-authored-by: hedger <hedger@users.noreply.github.com>

documentation/fbt.md

@@ -41,6 +41,8 @@ FBT keeps track of internal dependencies, so you only need to build the highest-
 - `blackmagic` - debug firmware with Blackmagic probe (WiFi dev board)
 - `openocd` - just start OpenOCD
 - `get_blackmagic` - output blackmagic address in gdb remote format. Useful for IDE integration
+- `lint`, `format` - run clang-tidy on C source code to check and reformat it according to `.clang-format` specs
+- `lint_py`, `format_py` - run [black](https://black.readthedocs.io/en/stable/index.html) on Python source code, build system files & application manifests 
 
 ### Firmware targets