build(deps): bump alpine from 3.20.1 to 3.20.2

Bumps alpine from 3.20.1 to 3.20.2.

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

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

Dockerfile

@@ -29,7 +29,7 @@ RUN go generate buildinfo/buildinfo.go
 RUN go build -o wg-access-server
 
 ### Server
-FROM alpine:3.20.1
+FROM alpine:3.20.2
 RUN apk add --no-cache iptables ip6tables wireguard-tools curl
 ENV WG_CONFIG="/config.yaml"
 ENV WG_STORAGE="sqlite3:///data/db.sqlite3"