chore(deps): update dependency pugixml to v1.15 (#14934)

Author: renovate-bot

MODULE.bazel

@@ -37,7 +37,7 @@ bazel_dep(name = "rules_python", version = "1.0.0")
 bazel_dep(name = "googletest", version = "1.15.2", dev_dependency = True, repo_name = "com_google_googletest")
 bazel_dep(name = "google_benchmark", version = "1.9.0", dev_dependency = True, repo_name = "com_google_benchmark")
 bazel_dep(name = "yaml-cpp", version = "0.8.0", dev_dependency = True, repo_name = "com_github_jbeder_yaml_cpp")
-bazel_dep(name = "pugixml", version = "1.14.bcr.1", dev_dependency = True, repo_name = "com_github_zeux_pugixml")
+bazel_dep(name = "pugixml", version = "1.15", dev_dependency = True, repo_name = "com_github_zeux_pugixml")
 
 # Our `curl.BUILD` file uses these.
 bazel_dep(name = "zlib", version = "1.3.1.bcr.4")