Bump alpine from 3.19 to 3.20 (#157)

Bumps alpine from 3.19 to 3.20.

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

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

Author: dependabot[bot]

Dockerfile

@@ -15,7 +15,7 @@ ARG TARGETOS TARGETARCH
 
 RUN cd cmd/vulnerability-db-consumer/ && GOOS=$TARGETOS GOARCH=$TARGETARCH go build . && cd -
 
-FROM alpine:3.19
+FROM alpine:3.20
 
 WORKDIR /flyway