Auto merge of #17104 - Eijebong:bump_euclid_heapsize, r=emilio

Bump euclid to 0.13 and heapsize to 0.4

This is necessary for the serde 1.0 update.

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- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [ ] These changes fix #__ (github issue number if applicable).

- [X] These changes do not require tests because it's just a dependency bump

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components/selectors/Cargo.toml

@@ -28,7 +28,7 @@ cssparser = "0.13.7"
 fnv = "1.0"
 phf = "0.7.18"
 precomputed-hash = "0.1"
-smallvec = "0.3"
+smallvec = "0.4"
 
 [dev-dependencies]
 size_of_test = {path = "../size_of_test"}