Update proc-macro2/pin-project links

src/auto_enum/context.rs

@@ -87,7 +87,7 @@ impl Context {
         let current_marker = if let Some(marker) = marker {
             // Currently, there is no reason to preserve the span, so convert `Ident` to `String`.
             // This should probably be more efficient than calling `to_string` for each comparison.
-            // https://github.com/alexcrichton/proc-macro2/blob/1.0.1/src/wrapper.rs#L706
+            // https://github.com/dtolnay/proc-macro2/blob/1.0.86/src/wrapper.rs#L723
             let marker_string = marker.to_string();
             if markers.contains(&marker_string) {
                 bail!(

src/enum_derive.rs

@@ -304,7 +304,7 @@ fn expand(args: TokenStream, input: TokenStream) -> Result<TokenStream> {
         // The repr(packed) check is not needed since repr(packed) is not available on enum.
 
         // Automatically create the appropriate conditional `Unpin` implementation.
-        // https://github.com/taiki-e/pin-project/blob/v1.0.10/examples/struct-default-expanded.rs#L89
+        // https://github.com/taiki-e/pin-project/blob/v1.1.5/examples/struct-default-expanded.rs#L98
         // TODO: use https://github.com/taiki-e/pin-project/issues/102#issuecomment-540472282's trick.
         items.extend(derive_utils::derive_trait(
             &data,
@@ -319,7 +319,7 @@ fn expand(args: TokenStream, input: TokenStream) -> Result<TokenStream> {
         let name = &item.ident;
         let (impl_generics, ty_generics, where_clause) = item.generics.split_for_impl();
         // Ensure that enum does not implement `Drop`.
-        // https://github.com/taiki-e/pin-project/blob/v1.0.10/examples/struct-default-expanded.rs#L138
+        // https://github.com/taiki-e/pin-project/blob/v1.1.5/examples/struct-default-expanded.rs#L147
         items.extend(quote! {
             const _: () = {
                 trait MustNotImplDrop {}