docs: change broken twitter url (woodpecker-ci#1729)

Looks like the Twitter URL has changed and `https://twitter.com/hashtag/WoodpeckerCI?f=live` no longer works

Signed-off-by: Alexander Matyushentsev <[email protected]>

README.md

@@ -109,7 +109,7 @@ Here are some places where people mention Woodpecker:
 
 - [GitHub](https://github.com/topics/WoodpeckerCI)
 - [Codeberg](https://codeberg.org/explore/repos?q=woodpeckerci&topic=1)
-- [Twitter](https://twitter.com/hashtag/WoodpeckerCI?f=live)
+- [Twitter](https://twitter.com/search?q=%23WoodpeckerCI&src=typed_query)
 - [Fediverse](https://mastodon.social/tags/WoodpeckerCI)
 
 ## ✨ Stars over time