feat(deps): update ghcr.io/renovatebot/renovate docker tag to v35.78.0

This MR contains the following updates:

Package	Update	Change
ghcr.io/renovatebot/renovate	minor	35.77.0-slim -> 35.78.0-slim

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.gitlab-ci.yml

@@ -12,7 +12,7 @@ variables:
   RENOVATE_LOG_FILE: renovate-log.ndjson
   RENOVATE_LOG_FILE_LEVEL: debug
   LOG_LEVEL: info
-  CI_RENOVATE_IMAGE: ghcr.io/renovatebot/renovate:35.77.0-slim@sha256:8a71723728494d82f58c177bdce5af3b18977ba96550ebe7844317462114e8a3
+  CI_RENOVATE_IMAGE: ghcr.io/renovatebot/renovate:35.78.0-slim@sha256:945b399cc0851973470b15c2cfeb0bdda057afcb4a268e02a154172d9dabba9f
   CI_RENOVATE_IMAGE_FULL: ghcr.io/renovatebot/renovate:35.77.0@sha256:7dc7ea474bf50980c7de76eaded7a356f97ad9a9b4e9371dcb10337aa6db8738
 
 default: