Merge pull request #10 from tddbc/dependabot/pip/filelock-3.20.1

Bump filelock from 3.0.12 to 3.20.1

Author: shishi

requirements.txt

@@ -4,7 +4,7 @@ cov-core==1.15.0
 coverage==5.5
 distlib==0.3.1
 execnet==1.8.0
-filelock==3.0.12
+filelock==3.20.1
 iniconfig==1.1.1
 py==1.10.0
 pytest-cov==2.11.1