Update doc dependencies and add Encoding key to API Documentation.

Author: Kevin Matlock

docs/modules.rst

@@ -13,6 +13,9 @@ API Documentation
    .. autoclass:: DecodingKey
       :members:
 
+   .. autoclass:: EncodingKey
+      :members:
+
 JSON Web Keys (JWKs)
 ====================
 

docs/requirements.txt

@@ -1,22 +1,22 @@
 alabaster==0.7.16
 autodoc==0.5.0
-Babel==2.14.0
+Babel==2.15.0
 beautifulsoup4==4.12.3
-certifi==2024.2.2
+certifi==2024.7.4
 charset-normalizer==3.3.2
 decorator==5.1.1
 docutils==0.20.1
 idna==3.7
 imagesize==1.4.1
-Jinja2==3.1.3
+Jinja2==3.1.4
 MarkupSafe==2.1.5
-packaging==24.0
-Pygments==2.17.2
-requests==2.31.0
-setuptools==68.2.2
+packaging==24.1
+Pygments==2.18.0
+requests==2.32.3
+setuptools==70.3.0
 snowballstemmer==2.2.0
 soupsieve==2.5
-Sphinx==7.2.6
+Sphinx==7.4.4
 sphinx-rtd-theme==2.0.0
 sphinxcontrib-applehelp==1.0.8
 sphinxcontrib-devhelp==1.0.6
@@ -25,9 +25,9 @@ sphinxcontrib-jquery==4.1
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.7
 sphinxcontrib-serializinghtml==1.1.10
-urllib3==2.2.1
+urllib3==2.2.2
 waitress==3.0.0
 WebOb==1.8.7
 WebTest==3.0.0
-wheel==0.41.2
+wheel==0.43.0
 .