Restore setuptools-scm requirement

[pre-commit.ci] pre-commit autoupdate

updates:
- https://gitlab.com/pycqa/flake8 → https://github.com/PyCQA/flake8
- [github.com/PyCQA/flake8: 3.9.2 → 5.0.4](https://github.com/PyCQA/flake8/compare/3.9.2...5.0.4)

Fix hab launch in cmd for complex aliases

In command prompt, an alias defined as a list results in "The filename, directory name, or volume label syntax is incorrect.". Due to not being able to call doskey in a batch file limitation we need to properly escape the full alias command instead of just calling the alias name.

Add environment variable formatting

Fix setuptools-scm pip requirements.

• {ANYTHING!e}: !e is a special conversion flag for Environment variables. This will
  be replaced with the correct shell environment variable. For bash it becomes $ANYTHING,
  in power shell $env:ANYTHING, and in command prompt %ANYTHING%. ANYTHING is the name
  of the environment variable.
• {;}: This is replaced with the path separator for the shell. Ie : for bash, and ;
  on windows(including bash).

Add environment variable formatting

• {ANYTHING!e}: !e is a special conversion flag for Environment variables. This will
  be replaced with the correct shell environment variable. For bash it becomes $ANYTHING,
  in power shell $env:ANYTHING, and in command prompt %ANYTHING%. ANYTHING is the name
  of the environment variable.
• {;}: This is replaced with the path separator for the shell. Ie : for bash, and ;
  on windows(including bash).