chore: update builds to python 3.12

Author: foosel

.github/workflows/docs.yaml

@@ -18,28 +18,28 @@ jobs:
         include:
           - version: "1.10.3"
             source: "tags"
-            python: "3.7"
+            python: "3.12"
             sphinx: "4.5.0"
             mermaid: "0.7.1"
             jinja: "3.1.1"
             mermaid_fix: "true"
           - version: "master"
             source: "heads"
-            python: "3.7"
+            python: "3.12"
             sphinx: "4.5.0"
             mermaid: "0.7.1"
             jinja: "3.1.1"
             mermaid_fix: "true"
           - version: "maintenance"
             source: "heads"
-            python: "3.7"
+            python: "3.12"
             sphinx: "4.5.0"
             mermaid: "0.7.1"
             jinja: "3.1.1"
             mermaid_fix: "true"
           - version: "devel"
             source: "heads"
-            python: "3.7"
+            python: "3.12"
             sphinx: "4.5.0"
             mermaid: "0.7.1"
             jinja: "3.1.1"