Dvc

* LocalRemoteTree: use repo tree as work_tree with local outputs (4125) pared
* RepoDependency: never changed (4209) pared
* dvc: get rid of CleanTree (4221) efiop
* Bump networkx (4219) faucct
* dvc: get rid of WorkingTree (4216) efiop
* tree: remove duplicated code (4215) efiop
* dvc: remove tree-specific wrappers from cache (4214) efiop
* dvc: split remotes from trees (4212) efiop
* deps/outs: get rid of remotes in favor of trees (4208) efiop
* Optimize ignore performance (4120) karajan1001
* list: support tracked file path as a target (4204) efiop
* tests: http: fix typo (4201) efiop
* tests: remove real SSH (4200) efiop
* remove: remove dvc.yaml and dvc.lock if they are empty (4196) nik123

* pull: target message (4192) dmpetrov

* config: use repo.tree (4190) efiop
* tests: hdfs: use docker-based fixtures (4183) efiop

* params: fix skipping of params dvc.lock when it's a falsy value (4185) skshetry
* tests: launch oss/azure containers from fixtures (4178) efiop
* Add more tests according to gitignore (4166) karajan1001
* cli: show subcommand-specific help (4173) efiop

* tests: create `remote` fixture (4163) efiop
* status: pass tree as a kwarg (4156) efiop
* [RFC] tests: make read_text() work with directories (4155) efiop

* gdrive: pop prefix kwarg (4157) efiop