Pin linkify version

Code Rabbit AI suggestion:
The textual package version 0.71.0 depends on
markdown-it-py[linkify]>=2.1.0, which in turn
requires linkify-it-py>=2.0.0.

However, checking the actual dependencies of
markdown-it-py, it seems it wants linkify-it-py
to be >=1,<3.

See bioconda/bioconda-recipes#51762

requirements.txt

@@ -20,7 +20,7 @@ rich-click==1.8.*
 rich>=13.3.1
 tabulate
 textual==0.71.0
-linkify-it-py
+linkify-it-py>=1,<3
 trogon
 pdiff
 ruamel.yaml