Update dependency livereload to v2.7.1 (#474)

Co-authored-by: Zac Sweers <[email protected]>

Author: slack-oss-bot

.github/workflows/mkdocs-requirements.txt

@@ -1,7 +1,7 @@
 click==8.2.1
 future==1.0.0
 Jinja2==3.1.6
-livereload==2.7.0
+livereload==2.7.1
 lunr==0.8.0
 Markdown==3.7
 MarkupSafe==3.0.2