Loosen dependency version requirements

dev-requirements.txt

@@ -2,11 +2,11 @@
 flake8
 
 # Static type checking
-mypy==0.961
+mypy>=0.961
 
 # Automatic code formatting
-black==22.3.0
-isort==5.10.1
+black>=22.3.0
+isort>=5.10.1
 
 # Running tests
 pytest
@@ -24,20 +24,20 @@ wheel
 Sphinx>=4.3.0,<5.1.0
 
 # Sphinx theme: https://sphinx-themes.org/sample-sites/furo/
-furo==2022.6.4.1
+furo>=2022.6.4.1
 
 # Lets Sphinx parse markdown files in addition to rst.
 myst-parser>=0.15.2,<0.19.0
 
 # Adds a copy button to code examples in the docs.
-sphinx-copybutton==0.5.0
+sphinx-copybutton>=0.5.0
 
 # Live rebuilding and reloading of docs for developing locally.
-sphinx-autobuild==2021.3.14
+sphinx-autobuild>=2021.3.14
 
 # Automatically adds types to docs
 sphinx-autodoc-typehints
 
 # For parsing and comparing version numbers.
 packaging
-python-dotenv==0.21.1
+python-dotenv>=0.21.1