Bump filelock in /CI in the pip group across 1 directory (#120)

Author: dependabot[bot]

CI/requirements_ci.txt

@@ -176,9 +176,9 @@ exceptiongroup==1.3.0 \
     --hash=sha256:4d111e6e0c13d0644cad6ddaa7ed0261a0b36971f6d23e7ec9b4b9097da78a10 \
     --hash=sha256:b241f5885f560bc56a59ee63ca4c6a8bfa46ae4ad651af316d4e81817bb9fd88
     # via anyio
-filelock==3.18.0 \
-    --hash=sha256:adbc88eabb99d2fec8c9c1b229b171f18afa655400173ddc653d5d01501fb9f2 \
-    --hash=sha256:c401f4f8377c4464e6db25fff06205fd89bdd83b65eb0488ed1b160f780e21de
+filelock==3.20.1 \
+    --hash=sha256:15d9e9a67306188a44baa72f569d2bfd803076269365fdea0934385da4dc361a \
+    --hash=sha256:b8360948b351b80f420878d8516519a2204b07aefcdcfd24912a5d33127f188c
     # via
     #   tox
     #   virtualenv