Dvc

* Possible fix for 2850. (2856) peper0
* remote: fix remote default call with no arguments (2821) kaiogu
* Fix typos (2855) skshetry
* Fix typo and grammar (2842) skshetry
* Refactor `startswith` with `path_isin` util (2832) skshetry
* dvc: remove unused config paths (2827) Suor
* GS progress for push & pull (2809) casperdcl
* use SI prefixes for progress (2817) casperdcl
* Display path relative to temporary repo when get/import-ing files (2798) skshetry
* perf: switch schema validation library (2796) Suor

* import: intercept and rephrase OutputNotFound message (2777) pared
* perf: optimize yaml parsing for stages (2775) Suor
* makedirs: fix mode flag is being ignored starting from Python 3.7 (2790) shcheklein

* Write test for `tmp_fname` to check if it accepts Path-like and str objects (2808) algomaster99
* Ensure `remove` accepts str and Path-like objects (2795) algomaster99
* perf: a small stage validation optimization (2786) Suor
* Improve `LockError` message (2765) algomaster99
* dvc: remove reorder_python_imports formatter (2787) efiop
* get/import: more meaningful message on NoRemoteError (2759) pared
* test: try using azurite 3.3.0-preview (2785) efiop

Fix windows build.

* Add better heuristic for build detection (2773) n3hrox

* Ensure `move` accepts str and Path-like objects (2769) algomaster99
* Add win32timezone hook for pyinstaller