Auto merge of #18820 - asajeffrey:update-swapper, r=wafflespeanut

Updated swapper to version 0.1

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

Update swapper to v0.1, which removes the skeptic dependency.

---
<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: -->
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes do not require tests because updating dependencies

<!-- 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/18820)
<!-- Reviewable:end -->

components/script/Cargo.toml

@@ -84,7 +84,7 @@ servo_url = {path = "../url"}
 smallvec = "0.4"
 style = {path = "../style"}
 style_traits = {path = "../style_traits"}
-swapper = "0.0.4"
+swapper = "0.1"
 time = "0.1.12"
 unicode-segmentation = "1.1.0"
 url = {version = "1.2", features = ["heap_size", "query_encoding"]}