ci(deps): update renovate docker tag to v39.48.0

| datasource | package                      | from    | to      |
| ---------- | ---------------------------- | ------- | ------- |
| docker     | ghcr.io/renovatebot/renovate | 39.47.1 | 39.48.0 |

Author: renovate[bot]

.github/workflows/build.yml

@@ -10,7 +10,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  RENOVATE_VERSION: 39.47.1 # renovate: datasource=docker depName=renovate packageName=ghcr.io/renovatebot/renovate
+  RENOVATE_VERSION: 39.48.0 # renovate: datasource=docker depName=renovate packageName=ghcr.io/renovatebot/renovate
 
 jobs:
   prepare: