Bump filelock from 3.18.0 to 3.20.0 (#554)

Author: dependabot[bot]

CI/requirements_ci.txt

@@ -178,9 +178,9 @@ exceptiongroup==1.3.0 \
     # via
     #   -r CI/requirements_ci.in
     #   anyio
-filelock==3.18.0 \
-    --hash=sha256:adbc88eabb99d2fec8c9c1b229b171f18afa655400173ddc653d5d01501fb9f2 \
-    --hash=sha256:c401f4f8377c4464e6db25fff06205fd89bdd83b65eb0488ed1b160f780e21de
+filelock==3.20.0 \
+    --hash=sha256:339b4732ffda5cd79b13f4e2711a31b0365ce445d95d243bb996273d072546a2 \
+    --hash=sha256:711e943b4ec6be42e1d4e6690b48dc175c822967466bb31c0c293f34334c13f4
     # via
     #   tox
     #   virtualenv