Bump jekyll-sitemap from 1.1.1 to 1.2.0 in /blog_src
Bump jekyll-sitemap from 1.1.1 to 1.2.0 in /blog_src

Bumps [jekyll-sitemap](https://github.com/jekyll/jekyll-sitemap) from 1.1.1 to 1.2.0.
- [Release notes](https://github.com/jekyll/jekyll-sitemap/releases)
- [Changelog](https://github.com/jekyll/jekyll-sitemap/blob/master/History.markdown)
- [Commits](https://github.com/jekyll/jekyll-sitemap/compare/v1.1.1...v1.2.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
salman-bhai/salman-bhai.github.io,salman-bhai/salman-bhai.github.io,salman-bhai/salman-bhai.github.io,salman-bhai/salman-bhai.github.io,salman-bhai/salman-bhai.github.io