Auto merge of #15735 - servo:cssparserup, r=emilio

Update cssparser to 0.11

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<s>Depends on https://github.com/servo/rust-cssparser/pull/122.</s>

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- [ ] These changes fix #__ (github issue number if applicable).

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components/style/gecko/media_queries.rs

@@ -165,7 +165,7 @@ impl Resolution {
             _ => return Err(()),
         };
 
-        Ok(match_ignore_ascii_case! { unit,
+        Ok(match_ignore_ascii_case! { &unit,
             "dpi" => Resolution::Dpi(value),
             "dppx" => Resolution::Dppx(value),
             "dpcm" => Resolution::Dpcm(value),