Bump ware-win11-arm64 to 8 processes, allow 3.13/3.14 builds (#709)

Author: zware

master/custom/builders.py

@@ -410,7 +410,6 @@ def get_builder_tier(builder: str) -> str:
 # Match builder name (excluding the branch name) of builders that should only
 # run on the main and PR branches.
 ONLY_MAIN_BRANCH = (
-    "ARM64 Windows",
     "Windows PGO",
     "AMD64 Arch Linux Perf",
     "AMD64 Arch Linux Valgrind",

master/custom/workers.py

@@ -298,7 +298,8 @@ def get_workers(settings):
         cpw(
             name="ware-win11-arm64",
             tags=['windows', 'win11', 'arm64'],
-            parallel_tests=2,
+            parallel_tests=8,
+            not_branches=['3.10', '3.11', '3.12'],
         ),
         cpw(
             name="bcannon-wasi",