chore(deps): bump alpine from 3.17.3 to 3.18.0 (#97)

Bumps alpine from 3.17.3 to 3.18.0.

---
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

@@ -7,7 +7,7 @@ COPY . /app
 RUN go mod download
 RUN go build ./cmd/cdncheck
 
-FROM alpine:3.17.3
+FROM alpine:3.18.0
 RUN apk -U upgrade --no-cache \
     && apk add --no-cache bind-tools ca-certificates
 COPY --from=builder /app/cdncheck /usr/local/bin/