requirements: drop deprecated version

Problem: typing-extensions v4.10.0 is deprecated.

Drop it. Peg the version.

Author: wihobbs

.github/workflows/main.yml

@@ -38,7 +38,7 @@ jobs:
       run: >-
           sudo apt-get update -y &&
           sudo apt-get install -y python3-pip &&
-          sudo pip3 install --upgrade -r ./requirements.txt
+          sudo pip3 install --ignore-installed --upgrade -r ./requirements.txt
 
     - name: Check Spelling
       uses: crate-ci/typos@7ad296c72fa8265059cc03d1eda562fbdfcd6df2 # v1.9.0

requirements.txt

@@ -1,4 +1,5 @@
 Pygments>=2.4
+typing-extensions>=4.12.0
 sphinx
 sphinxcontrib-spelling
 sphinx-rtd-theme>=0.5.2