Automated update to Github CI to rustc nightly-2025-09-14

Update Nightly Rustc Bot · Update Nightly Rustc Bot · commit eaa7ab9d93c4 · 2025-09-15T02:05:44.000Z
diff --git a/nightly-version b/nightly-version
@@ -1 +1 @@
-nightly-2024-08-04
+nightly-2025-09-14
