fix: indentation updated for makefile

{{cookiecutter.repo_name}}/Makefile

@@ -1,22 +1,22 @@
 env: poetry
-	poetry install 
+  poetry install 
 
 major: pyproject.toml
-	poetry version major
+  poetry version major
 
 minor: pyproject.toml
-	poetry version minor
+  poetry version minor
 
 patch: pyproject.toml
-	poetry version patch
+  poetry version patch
 
 poetry_env:
-	poetry init -q
-	poetry add --group dev click dvc ipykernel pytest pytest-cov
-	poetry add --group dev coverage -E toml
+  poetry init -q
+  poetry add --group dev click dvc ipykernel pytest pytest-cov
+  poetry add --group dev coverage -E toml
 
 src_tests: pyproject.toml
-	poetry run pytest
+  poetry run pytest
 
 src_tests_cov: pyproject.toml
-	poetry run pytest --cov
+  poetry run pytest --cov