#patch: Bump alpine in /docker/sirius-user-management (#303)

Bumps alpine from 3.16.1 to 3.16.2.

---
updated-dependencies:
- dependency-name: alpine
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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docker/sirius-user-management/Dockerfile

@@ -25,7 +25,7 @@ COPY internal internal
 
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -installsuffix cgo -o /go/bin/opg-sirius-user-management
 
-FROM alpine:3.16.1
+FROM alpine:3.16.2
 
 WORKDIR /go/bin