Update clippy.toml msrv to match rust-version in Cargo.toml

dtolnay · dtolnay · commit 553ed38434dd · 2023-02-26T22:44:20.000-07:00
diff --git a/.clippy.toml b/.clippy.toml
@@ -1 +1 @@
-msrv = "1.38.0"
+msrv = "1.39.0"
