Refresh versions table in README (#276)

Author: AA-Turner

Diff for: README.md

@@ -39,9 +39,9 @@ of Sphinx we're using where:
     3.9        ø              sphinx==2.4.4       needs_sphinx='1.8'
     3.10       ø              sphinx==3.4.3       needs_sphinx='3.2'
     3.11       ø              sphinx~=7.2.0       needs_sphinx='4.2'
-    3.12       ø              sphinx~=8.1.0       needs_sphinx='7.2.6'
-    3.13       ø              sphinx~=8.1.0       needs_sphinx='7.2.6'
-    3.14       ø              sphinx~=8.1.0       needs_sphinx='7.2.6'
+    3.12       ø              sphinx~=8.2.0       needs_sphinx='8.2.0'
+    3.13       ø              sphinx~=8.2.0       needs_sphinx='8.2.0'
+    3.14       ø              sphinx~=8.2.0       needs_sphinx='8.2.0'
     =========  =============  ==================  ====================
 
     Sphinx build as seen on docs.python.org:
@@ -52,9 +52,9 @@ of Sphinx we're using where:
     3.9        2.4.4  2.4.4  2.4.4  2.4.4  2.4.4  2.4.4  2.4.4  2.4.4  2.4.4    2.4.4  2.4.4  2.4.4    2.4.4
     3.10       3.4.3  3.4.3  3.4.3  3.4.3  3.4.3  3.4.3  3.4.3  3.4.3  3.4.3    3.4.3  3.4.3  3.4.3    3.4.3
     3.11       7.2.6  7.2.6  7.2.6  7.2.6  7.2.6  7.2.6  7.2.6  7.2.6  7.2.6    7.2.6  7.2.6  7.2.6    7.2.6
-    3.12       8.1.3  8.1.3  8.1.3  8.1.3  8.1.3  8.1.3  8.1.3  8.1.3  8.1.3    8.1.3  8.1.3  8.1.3    8.1.3
-    3.13       8.1.3  8.1.3  8.1.3  8.1.3  8.1.3  8.1.3  8.1.3  8.1.3  8.1.3    8.1.3  8.1.3  8.1.3    8.1.3
-    3.14       8.1.3  8.1.3  8.1.3  8.1.3  8.1.3  8.1.3  8.1.3  8.1.3  8.1.3    8.1.3  8.1.3  8.1.3    8.1.3
+    3.12       8.2.3  8.2.3  8.2.3  8.2.3  8.2.3  8.2.3  8.2.3  8.2.3  8.2.3    8.2.3  8.2.3  8.2.3    8.2.3
+    3.13       8.2.3  8.2.3  8.2.3  8.2.3  8.2.3  8.2.3  8.2.3  8.2.3  8.2.3    8.2.3  8.2.3  8.2.3    8.2.3
+    3.14       8.2.3  8.2.3  8.2.3  8.2.3  8.2.3  8.2.3  8.2.3  8.2.3  8.2.3    8.2.3  8.2.3  8.2.3    8.2.3
     =========  =====  =====  =====  =====  =====  =====  =====  =====  =======  =====  =====  =======  =======
 
 ## Manually rebuild a branch