Bump alpine from 3.19.1 to 3.20.0 in /clone/cmd/ctclone (#1157)

Bumps alpine from 3.19.1 to 3.20.0.

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

clone/cmd/ctclone/Dockerfile

@@ -18,7 +18,7 @@ COPY . .
 RUN go build ./clone/cmd/ctclone
 
 # Build release image
-FROM alpine:3.19.1@sha256:c5b1261d6d3e43071626931fc004f70149baeba2c8ec672bd4f27761f8e1ad6b
+FROM alpine:3.20.0@sha256:77726ef6b57ddf65bb551896826ec38bc3e53f75cdde31354fbffb4f25238ebd
 
 COPY --from=builder /build/ctclone /bin/ctclone
 ENTRYPOINT ["/bin/ctclone"]