Update dependency indexeddbshim to v5

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
indexeddbshim	devDependencies	major	4.1.0 -> 5.0.0

---

Release Notes

axemclion/IndexedDBShim

v5.0.0

Compare Source

• Breaking change: Move from deprecated @babel/polyfill to
  recommended replacements core-js-bundle /
  regenerator-runtime
• Fix: For unescaping unmatched surrogates preceded by carets, we need to
  restore the carets
• Fix: Avoid erring in some instances with not-yet-added name key
  for cacheDatabaseInstances or memoryDatabase
• Fix (Missing API): Add new IDBCursor.request
• Fix (example): Paths in IDBKeyUtils.html examples file
• Optimization (build): Avoid build step as bundling dist files anyways;
  avoid linting step as it has problem in grunt
• Refactoring: Change private __closed flag to match spec
  terminology, __closePending.
• Refactoring: Add __done flag to match spec, with readyState
  getter using this flag
• Linting (ESLint): Update for eslint-config-ash-nazg (prefer
  for...of and includes, etc.)
• Linting (ESLint): Lint HTML and Markdown
• Docs (JSDoc): Add returns and some additional docs
• Docs (Code): Better toward max-len
• Docs (README): Use paths more consistent with installing
  indexeddbshim as dep.
• Docs (README): Indicate ESM usage; fix broken link
• Docs (TESTING): Info on individual tests
• Testing (W3C): Update wpt; test results; fix regression
• Testing (W3C): Exclude tests causing undue timeouts in other files; update
  test counts
• Testing (W3C): Avoid excluding non-breaking test
• Testing (W3C): Support new "any" files (and support future ones) and
  fix for location; report reason for new test file failing; update
  web-platform-tests; avoid excluded files in list of failed;
  add scripts to list files in test folder which are not in goodBad
  listing
• Grunt: Avoid eslint task for main build as having problems with lint config
• npm: Update typeson/typeson-registry, eventtargeter
• npm: Update devDeps; package-lock

---

Renovate configuration

📅 Schedule: "before 3am on Friday" (UTC).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻️ Rebasing: Whenever PR becomes conflicted, or if you modify the PR title to begin with "rebase!".

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Renovate Bot. View repository job log here.