chore(deps): update docker.io/library/golang:1.25-alpine docker digest to f6751d8 (#90)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [docker.io/library/golang](https://hub.docker.com/_/golang) ([source](https://github.com/docker-library/golang)) | stage | digest | `2611181` → `f6751d8` |

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Reviewed-on: #90
Reviewed-by: t.behrendt <t.behrendt@noreply.localhost>
Co-authored-by: Renovate Bot <renovate@t00n.de>
Co-committed-by: Renovate Bot <renovate@t00n.de>

Dockerfile

@@ -1,4 +1,4 @@
-FROM docker.io/library/golang:1.25-alpine@sha256:26111811bc967321e7b6f852e914d14bede324cd1accb7f81811929a6a57fea9 as build
+FROM docker.io/library/golang:1.25-alpine@sha256:f6751d823c26342f9506c03797d2527668d095b0a15f1862cddb4d927a7a4ced as build
 
 ARG GOARCH=amd64