chore(deps): update gcr.io/distroless/static-debian12 docker digest to 20bc6c0 (#76)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| gcr.io/distroless/static-debian12 | final | digest | `4b2a093` → `20bc6c0` |

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Reviewed-on: #76
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

@@ -9,6 +9,6 @@ COPY . .
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=${GOARCH} \
     go build -trimpath -ldflags="-s -w" -o main .
 
-FROM gcr.io/distroless/static-debian12@sha256:4b2a093ef4649bccd586625090a3c668b254cfe180dee54f4c94f3e9bd7e381e
+FROM gcr.io/distroless/static-debian12@sha256:20bc6c0bc4d625a22a8fde3e55f6515709b32055ef8fb9cfbddaa06d1760f838
 COPY --from=build /app/main /
 CMD ["/main"]