chore(deps): update mcuadros/ofelia docker tag to v0.3.20 (#93)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

compose.ofelia.yaml

@@ -1,6 +1,6 @@
 services:
   ofelia:
-    image: mcuadros/ofelia:0.3.19
+    image: mcuadros/ofelia:0.3.20
     command: daemon --docker --docker-filter label=com.docker.compose.project.working_dir=$PWD
     depends_on:
       - admin