dockerfile: bump library/alpine from 3.17.2 to 3.17.3

Bumps library/alpine from 3.17.2 to 3.17.3.

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

Signed-off-by: dependabot[bot] <support@github.com>

Dockerfile

@@ -12,7 +12,7 @@ RUN make clean && make hubble
 # thread[1].
 # [0]: https://bugs.busybox.net/show_bug.cgi?id=12541
 # [1]: https://github.com/gliderlabs/docker-alpine/issues/539
-FROM docker.io/library/alpine:3.17.2@sha256:ff6bdca1701f3a8a67e328815ff2346b0e4067d32ec36b7992c1fdc001dc8517
+FROM docker.io/library/alpine:3.17.3@sha256:124c7d2707904eea7431fffe91522a01e5a861a624ee31d03372cc1d138a3126
 RUN apk add --no-cache bash curl jq
 COPY --from=builder /go/src/github.com/cilium/hubble/hubble /usr/bin
 CMD ["/usr/bin/hubble"]