add extras to requirements.txt

Author: jplacht

requirements.txt

@@ -1,6 +1,8 @@
 annotated-types==0.6.0 ; python_version >= "3.8" and python_version < "4.0"
+attrs==23.1.0 ; python_version >= "3.8" and python_version < "4.0"
 babel==2.13.1 ; python_version >= "3.8" and python_version < "4.0"
 black==23.11.0 ; python_version >= "3.8" and python_version < "4.0"
+cattrs==23.1.2 ; python_version >= "3.8" and python_version < "4.0"
 certifi==2023.7.22 ; python_version >= "3.8" and python_version < "4.0"
 charset-normalizer==3.3.2 ; python_version >= "3.8" and python_version < "4.0"
 click==8.1.7 ; python_version >= "3.8" and python_version < "4.0"
@@ -41,12 +43,14 @@ pytz==2023.3.post1 ; python_version >= "3.8" and python_version < "3.9"
 pyyaml-env-tag==0.1 ; python_version >= "3.8" and python_version < "4.0"
 pyyaml==6.0.1 ; python_version >= "3.8" and python_version < "4.0"
 regex==2023.10.3 ; python_version >= "3.8" and python_version < "4.0"
+requests-cache[cache]==1.1.0 ; python_version >= "3.8" and python_version < "4.0"
 requests-mock==1.11.0 ; python_version >= "3.8" and python_version < "4.0"
 requests==2.31.0 ; python_version >= "3.8" and python_version < "4.0"
 setuptools==68.2.2 ; python_version >= "3.12" and python_version < "4.0"
 six==1.16.0 ; python_version >= "3.8" and python_version < "4.0"
 tomli==2.0.1 ; python_version >= "3.8" and python_full_version <= "3.11.0a6"
 typing-extensions==4.8.0 ; python_version >= "3.8" and python_version < "4.0"
+url-normalize==1.4.3 ; python_version >= "3.8" and python_version < "4.0"
 urllib3==2.1.0 ; python_version >= "3.8" and python_version < "4.0"
 watchdog==3.0.0 ; python_version >= "3.8" and python_version < "4.0"
 zipp==3.17.0 ; python_version >= "3.8" and python_version < "3.10"