Merge pull request #49 from mj0nez/dependabot/pip/holidays-0.27.1

Bump holidays from 0.25 to 0.27.1

requirements.txt

@@ -4,10 +4,8 @@
 #
 #    pip-compile requirements.in
 #
-holidays==0.25
+holidays==0.27.1
     # via -r requirements.in
-korean-lunar-calendar==0.3.1
-    # via holidays
 python-dateutil==2.8.2
     # via
     #   -r requirements.in