chore(deps-dev): bump phoenix_live_view from 1.2.11 to 1.2.12 in /mcp

[dependabot]

Bumps phoenix_live_view from 1.2.11 to 1.2.12.

Release notes

Sourced from phoenix_live_view's releases.

v1.2.12

Bug fixes

• Prevent a hook's disconnected method from being called again when already disconnected (#4430)
• Avoid mutating JS push options (#4431)
• Handle falsy keys in assign_async validation (#4428)
• Prevent flaky tests due to async pid collection timeout (#4425)
• Preserve caret position for additional input types (#4436)
• Prevent crash in LiveViewTest when keyed comprehension entry is moved and changed in the same patch (#4440)
• Preserve namespace for portal targets (#4437)
• Fix teleported elements sometimes not rendering on reset (#4445)
• Fix lock handling for LiveComponents in nested LiveViews (#4444)

Enhancements

• Removed the IE11 section from the README. It was outdated since before LiveView 1.0 was released.

Changelog

Sourced from phoenix_live_view's changelog.

v1.2.12 (2026-09-16)

Bug fixes

• Prevent a hook's disconnected method from being called again when already disconnected (#4430)
• Avoid mutating JS push options (#4431)
• Handle falsy keys in assign_async validation (#4428)
• Prevent flaky tests due to async pid collection timeout (#4425)
• Preserve caret position for additional input types (#4436)
• Prevent crash in LiveViewTest when keyed comprehension entry is moved and changed in the same patch (#4440)
• Preserve namespace for portal targets (#4437)
• Fix teleported elements sometimes not rendering on reset (#4445)
• Fix lock handling for LiveComponents in nested LiveViews (#4444)

Enhancements

• Removed the IE11 section from the README. It was outdated since before LiveView 1.0 was released.

Commits

• 83ab190 Release v1.2.12
• 14ab583 Update assets
• 8c979bd Ensure closestLock check respects view (#4446)
• 5ae5d2b Update assets
• 48b5eb4 Fix teleported elements in stream not rendering on reset (#4445)
• 4d27da5 Update assets
• e9e66c2 Preserve namespace for portal targets (#4437)
• 57cb096 Resolve templates in moved keyed entries in LiveViewTest (#4440)
• d2e1835 Bump js-yaml from 3.15.0 to 3.15.2 (#4443)
• 7f06d34 Update assets
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)