Update the upstream Rust version

tgross35 · kiseitai3 · commit 49938312115f · 2025-06-05T20:06:35.000-04:00
To prepare for merging from rust-lang/rust, set the version file to: df8102f Auto merge of #142002 - onur-ozkan:follow-ups2, r=jieyouxu
diff --git a/library/compiler-builtins/rust-version b/library/compiler-builtins/rust-version
@@ -0,0 +1 @@
+df8102fe5f24f28a918660b0cd918d7331c3896e

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+df8102fe5f24f28a918660b0cd918d7331c3896e`