chore(deps): update dependency importlib-metadata to v7

requirements.txt

@@ -11,7 +11,7 @@ httpx==0.19.0; python_version >= "3.6"
 idna==3.2; python_full_version >= "3.6.2" and python_version >= "3.6"
 imageio-ffmpeg==0.4.5; python_version >= "3.4"
 imageio==2.9.0; python_version >= "3.5"
-importlib-metadata==1.7.0; python_version >= "3.6" and python_full_version < "3.0.0" and python_version < "3.8" or python_full_version >= "3.5.0" and python_version < "3.8" and python_version >= "3.6"
+importlib-metadata==7.0.0; python_version >= "3.6" and python_full_version < "3.0.0" and python_version < "3.8" or python_full_version >= "3.5.0" and python_version < "3.8" and python_version >= "3.6"
 inflection==0.5.1; python_version >= "3.5"
 jsonschema==4.2.1
 markdown==3.3.4; python_version >= "3.6"