build(deps): bump alpine from 3.20.2 to 3.20.3 (#528)

Bumps alpine from 3.20.2 to 3.20.3.

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

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

Author: dependabot[bot]

Dockerfile

@@ -27,7 +27,7 @@ RUN go build -o /usr/local/bin/vault-secrets-webhook .
 RUN xx-verify /usr/local/bin/vault-secrets-webhook
 
 
-FROM alpine:3.20.2@sha256:0a4eaa0eecf5f8c050e5bba433f58c052be7587ee8af3e8b3910ef9ab5fbe9f5
+FROM alpine:3.20.3@sha256:beefdbd8a1da6d2915566fde36db9db0b524eb737fc57cd1367effd16dc0d06d
 
 RUN apk add --update --no-cache ca-certificates tzdata libcap