test: add regression test for quotes

[snyamathi]

Description

Adds a regression test for marko-js/marko#1912 which passes in 5.4.1 but fails in 5.4.2

Motivation and Context

marko-js/marko#1912

Screenshots (if appropriate):

Checklist:

• I have updated/added documentation affected by my changes.
• I have added tests to cover my changes.

[changeset-bot]

⚠️ No Changeset found

Latest commit: 9166a88

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[snyamathi]

This end quote here is being swallowed accidentally after #158

AssertionError [ERR_ASSERTION]: src/__tests__/fixtures/placeholder-within-script-within-string/__snapshots__/placeholder-within-script-within-string.actual.txt
      + expected - actual

        │  ││     ╰─ openTagEnd
        │  │╰─ tagName "script"
        ╰─ ╰─ openTagStart
       2╭─ <script>alert('${xyz}')</script>
      - │  ││     ││      │ │    ││ │     ╰─ closeTagEnd(script)
      - │  ││     ││      │ │    ││ ╰─ closeTagName "script"
      - │  ││     ││      │ │    │╰─ closeTagStart "</"
      - │  ││     ││      │ │    ╰─ text
      + │  ││     ││      │ │   │ │ │     ╰─ closeTagEnd(script)
      + │  ││     ││      │ │   │ │ ╰─ closeTagName "script"
      + │  ││     ││      │ │   │ ╰─ closeTagStart "</"
      + │  ││     ││      │ │   ╰─ text "')"
        │  ││     ││      │ ╰─ placeholder:escape.value "xyz"
        │  ││     ││      ╰─ placeholder:escape "${xyz}"
        │  ││     │╰─ text "alert('"
        │  ││     ╰─ openTagEnd

[DylanPiercey]

Really appreciate this, thank you!