Automated update to Github CI to rustc nightly-2025-07-26

Update Nightly Rustc Bot · Update Nightly Rustc Bot · commit 419721b63c7f · 2025-07-28T00:42:07.000Z
diff --git a/nightly-version b/nightly-version
@@ -1 +1 @@
-nightly-2025-07-22
+nightly-2025-07-26
