chore(deps): update dependency pugixml to v1.15

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
pugixml	bazel_dep	minor	1.14.bcr.1 -> 1.15

---

Configuration

📅 Schedule: Branch creation - "* * * * 1-5" (UTC), Automerge - At any time (no schedule defined).

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

♻ Rebasing: Whenever PR becomes conflicted, 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.

---

This change is 

[dpebot]

/gcbrun

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.91%. Comparing base (3018564) to head (ad1790f).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #14934   +/-   ##
=======================================
  Coverage   92.90%   92.91%           
=======================================
  Files        2351     2351           
  Lines      209823   209823           
=======================================
+ Hits       194942   194947    +5     
+ Misses      14881    14876    -5     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.