Bump alpine from 3.17.3 to 3.18.0 (#365)

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

Dockerfile

@@ -6,7 +6,7 @@ WORKDIR /build
 ADD . /build
 RUN make BUILD_VERSION=${VERSION}
 
-FROM alpine:3.17.3@sha256:124c7d2707904eea7431fffe91522a01e5a861a624ee31d03372cc1d138a3126 AS runner
+FROM alpine:3.18.0@sha256:02bb6f428431fbc2809c5d1b41eab5a68350194fb508869a33cb1af4444c9b11 AS runner
 LABEL org.opencontainers.image.source="https://github.com/DataDog/stratus-red-team/"
 COPY --from=builder /build/bin/stratus /stratus
 RUN apk add --update git # git is needed for Terraform to download external modules at runtime