Add the 3.12 branch to the github workflows. (#104768)

Author: Yhg1s

.github/workflows/build.yml

@@ -8,6 +8,7 @@ on:
   push:
     branches:
     - 'main'
+    - '3.12'
     - '3.11'
     - '3.10'
     - '3.9'
@@ -16,6 +17,7 @@ on:
   pull_request:
     branches:
     - 'main'
+    - '3.12'
     - '3.11'
     - '3.10'
     - '3.9'

.github/workflows/doc.yml

@@ -5,6 +5,7 @@ on:
   #push:
   #  branches:
   #  - 'main'
+  #  - '3.12'
   #  - '3.11'
   #  - '3.10'
   #  - '3.9'
@@ -15,6 +16,7 @@ on:
   pull_request:
     branches:
     - 'main'
+    - '3.12'
     - '3.11'
     - '3.10'
     - '3.9'