Bump fireflyiii/data-importer from version-2.2.1 to version-2.2.2 in /docker (#54)

Bump fireflyiii/data-importer in /docker

Bumps fireflyiii/data-importer from version-2.2.1 to version-2.2.2.

---
updated-dependencies:
- dependency-name: fireflyiii/data-importer
  dependency-version: version-2.2.2
  dependency-type: direct:production
...

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Author: dependabot[bot]

docker/docker-compose.yml

@@ -360,7 +360,7 @@ services:
       start_period: 30s
 
   firefly_importer:
-    image: fireflyiii/data-importer:version-2.2.1
+    image: fireflyiii/data-importer:version-2.2.2
     container_name: firefly_importer
     hostname: firefly_importer
     restart: unless-stopped