feat: update sphinx-sitemap to 2.6.0

[xzl01]

Sphinx HTML extension to generate sitemaps

Issue: deepin-community/sig-deepin-sysdev-team#552
Log: update repo

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[github-actions]

TAG Bot

TAG: 2.6.0-1
EXISTED: no
DISTRIBUTION: unstable

[deepin-ci-robot]

Warning

[Debian检查]

• 检测到debian目录文件有变更: debian/control,debian/gbp.conf,debian/rules,debian/source/options,debian/upstream/metadata,debian/watch

• 检测到敏感词export变动;

详情

  {
  "export": {
      "debian/rules": {
          "b": [
              "export PYBUILD_NAME=sphinx_sitemap"
          ]
      }
  }
}

请联系系统开发review:
/assign @liujianqiang-niu
/hold

[xzl01]

/integrate

[github-actions]

AutoIntegrationPr Bot
auto integrate with pr url: deepin-community/Repository-Integration#2349
PrNumber: 2349
PrBranch: auto-integration-12271540350