Auto merge of #18946 - cynicaldevil:update-h5e, r=nox

Update h5e version

<!-- Please describe your changes on the following line: -->

---
<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: -->
- [ ] `./mach build -d` does not report any errors
- [ ] `./mach test-tidy` does not report any errors
- [ ] These changes fix #__ (github issue number if applicable).

<!-- Either: -->
- [ ] There are tests for these changes OR
- [ ] These changes do not require tests because _____

<!-- Also, please make sure that "Allow edits from maintainers" checkbox is checked, so that we can help you if you get stuck somewhere along the way.-->

<!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. -->

<!-- Reviewable:start -->
---
This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/18946)
<!-- Reviewable:end -->

components/script/Cargo.toml

@@ -44,7 +44,7 @@ euclid = "0.15"
 fnv = "1.0"
 gleam = "0.4"
 half = "1.0"
-html5ever = "0.20"
+html5ever = "0.21"
 hyper = "0.10"
 hyper_serde = "0.7"
 image = "0.16"
@@ -93,7 +93,7 @@ unicode-segmentation = "1.1.0"
 url = {version = "1.2", features = ["query_encoding"]}
 utf-8 = "0.7"
 uuid = {version = "0.5", features = ["v4"]}
-xml5ever = {version = "0.10"}
+xml5ever = {version = "0.11"}
 webrender_api = {git = "https://github.com/servo/webrender", features = ["ipc"]}
 webvr_traits = {path = "../webvr_traits"}