Merge pull request #31 from apache/dependabot/pip/apache-beam-2.55.1

Bump apache-beam from 2.55.0 to 2.55.1
diff --git a/requirements.txt b/requirements.txt
index 974950a..cd5c5a6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1 @@
-apache-beam==2.55.0
+apache-beam==2.55.1