Upgrade rust/crates/pin-project to 1.0.2

Test: make
Change-Id: Ia85e48e7fd669c568d9abc6a68934b8cfdb13f09
diff --git a/examples/enum-default-expanded.rs b/examples/enum-default-expanded.rs
index f234b51..2153592 100644
--- a/examples/enum-default-expanded.rs
+++ b/examples/enum-default-expanded.rs
@@ -45,10 +45,10 @@
         ) -> EnumProj<'pin, T, U> {
             unsafe {
                 match self.get_unchecked_mut() {
-                    Enum::Pinned(_0) => {
+                    Self::Pinned(_0) => {
                         EnumProj::Pinned(::pin_project::__private::Pin::new_unchecked(_0))
                     }
-                    Enum::Unpinned(_0) => EnumProj::Unpinned(_0),
+                    Self::Unpinned(_0) => EnumProj::Unpinned(_0),
                 }
             }
         }