Update rust-mozjs

[jdm]

These changes adjust our uses of the rust-mozjs APIs to accommodate the changes in servo/rust-mozjs#450.

---

• ./mach build -d does not report any errors
• ./mach test-tidy does not report any errors
• These changes fix #22342.
• There are tests for these changes

---

This change is 

[highfive]

Heads up! This PR modifies the following files:

• @asajeffrey: components/script/dom/globalscope.rs, components/script/dom/workerglobalscope.rs, components/script/Cargo.toml, components/script/dom/dedicatedworkerglobalscope.rs, components/script/dom/worklet.rs and 3 more
• @KiChjang: components/script/dom/globalscope.rs, components/script/dom/workerglobalscope.rs, components/script/Cargo.toml, components/script/dom/dedicatedworkerglobalscope.rs, components/script/dom/worklet.rs and 3 more

[highfive]

Warning

• These commits modify unsafe code. Please review it carefully!
• These commits modify script code, but no tests are modified. Please consider adding a test!

[jdm]

@bors-servo try=wpt

[bors-servo]

⌛️ Trying commit 9e12537 with merge 5fe9b42...

[jdm]

@paulrouget We'll need to figure out if this new model requires any changes to accommodate the FxR integration.

[bors-servo]

☀️ Test successful - linux-rel-css, linux-rel-wpt
State: approved= try=True

[paulrouget]

Side note. There was a force push and the Cargo.lock turned to be wrong. This is necessary:

index 9ea9d39f71..6432091dc5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2512,7 +2512,7 @@ dependencies = [
 [[package]]
 name = "mozjs"
 version = "0.10.0"
-source = "git+https://github.com/jdm/rust-mozjs?branch=parent-refactor#ac7f350c0a16217bd4e6a558a747ad5669a2f203"
+source = "git+https://github.com/jdm/rust-mozjs?branch=parent-refactor#69cfd4ac9b3f313214e635cb292812813a694ba4"
 dependencies = [
  "cc 1.0.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "integer-atomics 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",

[paulrouget]

error: declaration of an `unsafe` function
   --> components/script/script_runtime.rs:331:1
    |
331 | / pub unsafe fn new_child_runtime(parent: ParentRuntime) -> Runtime {
332 | |     new_rt_and_cx_with_parent(Some(parent))
333 | | }
    | |_^
    |
note: lint level defined here
   --> components/script/lib.rs:11:9
    |
11  | #![deny(unsafe_code)]
    |         ^^^^^^^^^^^

error: usage of an `unsafe` block
   --> components/script/script_runtime.rs:336:5
    |
336 |     unsafe { new_rt_and_cx_with_parent(None) }
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 2 previous errors

error: Could not compile `script`.

[paulrouget]

@jdm this appears to work well in FxR.

[bors-servo]

☔️ The latest upstream changes (presumably #22574) made this pull request unmergeable. Please resolve the merge conflicts.

[jdm]

r? @nox

[servo-wpt-sync]

Opened new PR for upstreamable changes.

Completed upstream sync of web-platform-test changes at web-platform-tests/wpt#14868.

[servo-wpt-sync]

No upstreamable changes; closed existing PR.

Completed upstream sync of web-platform-test changes at web-platform-tests/wpt#14868.

[nox]

@bors-servo r+

[bors-servo]

📌 Commit 367014a has been approved by nox

[bors-servo]

⌛️ Testing commit 367014a with merge fb95f9d...

[bors-servo]

☀️ Test successful - android-mac, arm32, arm64, linux-rel-css, linux-rel-wpt, mac-rel-css1, mac-rel-css2, mac-rel-wpt1, mac-rel-wpt2, mac-rel-wpt3, mac-rel-wpt4, magicleap, status-taskcluster
Approved by: nox
Pushing fb95f9d to master...