chore(deps): update dependency bundler to v4.0.15

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
bundler (source, changelog)	4.0.14 → 4.0.15

---

Release Notes

ruby/rubygems (bundler)

v4.0.15

Compare Source

Enhancements:

• Resolve Git LFS files in git sources from the real remote. Pull request #​9632 by hsbt
• Suggest access issues, not only yanking, for missing locked gems. Pull request #​9631 by hsbt
• Implement a make jobserver (continuation of #​9210). Pull request #​9625 by hsbt
• Reduce peak memory usage of full index loading and bundle install. Pull request #​9618 by hsbt
• Bump up to rb-sys 0.9.128. Pull request #​9569 by hsbt

Bug fixes:

• Skip the make jobserver on Windows. Pull request #​9630 by hsbt
• Don't require source plugins to be installed to parse a lockfile: 4.0.x. Pull request #​9621 by hsbt
• Exempt lockfile versions from cooldown on every resolution path. Pull request #​9619 by hsbt
• Set Bundler.settings[:ssl_ca_cert] to download gems. Pull request #​9610 by junaruga

---

Configuration

📅 Schedule: (UTC)

• Branch creation
  • At any time (no schedule defined)
• Automerge
  • At any time (no schedule defined)

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 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 was generated by Mend Renovate. View the repository job log.