Update the upstream Rust version

tgross35 · tgross35 · commit 56f45346ea6d · 2025-06-04T17:53:48.000Z
To prepare for merging from rust-lang/rust, set the version file to:

    df8102fe5f Auto merge of #142002 - onur-ozkan:follow-ups2, r=jieyouxu
diff --git a/rust-version b/rust-version
@@ -0,0 +1 @@
+df8102fe5f24f28a918660b0cd918d7331c3896e

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