Automated update to Github CI to rustc nightly-2025-08-22

Update Nightly Rustc Bot · Update Nightly Rustc Bot · commit b3ef38ddd870 · 2025-08-23T01:58:36.000Z
diff --git a/nightly-version b/nightly-version
@@ -1 +1 @@
-nightly-2025-08-08
+nightly-2025-08-22
