Automated update to Github CI to rustc nightly-2025-12-05

Update Nightly Rustc Bot · Update Nightly Rustc Bot · commit e01c4075ce40 · 2025-12-06T02:03:42.000Z
diff --git a/nightly-version b/nightly-version
@@ -1 +1 @@
-nightly-2025-09-12
+nightly-2025-12-05
