Bump alpine from 3.18.4 to 3.19.0

Bumps alpine from 3.18.4 to 3.19.0.

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Dockerfile

@@ -6,7 +6,7 @@ COPY go.mod go.sum ./
 COPY . .
 RUN --mount=type=cache,target=/root/.cache/go-build --mount=type=cache,target=/go/pkg/mod go build ./cmd/...
 
-FROM alpine:3.18.4
+FROM alpine:3.19.0
 
 COPY --from=builder /go/src/app/validated-update-graph.yaml /opt/operator/config.yaml
 COPY --from=builder /go/src/app/spicedb-operator /usr/local/bin/spicedb-operator