Update dependency pandas to v1.3.4

Author: renovate-bot

requirements.txt

@@ -3,7 +3,7 @@ chardet==3.0.4
 idna==2.10
 loguru==0.5.1
 numpy==1.19.1
-pandas==1.1.1
+pandas==1.3.4
 PyMySQL==0.10.0
 python-dateutil==2.8.1
 python-dotenv==0.14.0