update alpine base image to v3.18 (spiffe#4598)

Signed-off-by: Barry Melbourne <[email protected]>
MarcosDY · Oct 25, 2023 · 072b6cb · 072b6cb
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commit 072b6cb
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diff --git a/test/integration/suites/nested-rotation/Dockerfile b/test/integration/suites/nested-rotation/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.17 as nested-agent-alpine
+FROM alpine:3.18 as nested-agent-alpine
 RUN apk add --no-cache --update openssl
 COPY --from=spire-agent:latest-local /opt/spire/bin/spire-agent /opt/spire/bin/spire-agent
 ENTRYPOINT ["/opt/spire/bin/spire-agent", "run"]
diff --git a/test/integration/suites/spire-server-cli/Dockerfile b/test/integration/suites/spire-server-cli/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.17 AS spire-server-alpine
+FROM alpine:3.18 AS spire-server-alpine
 RUN apk add --no-cache --update openssl
 COPY --from=spire-server:latest-local /opt/spire/bin/spire-server /opt/spire/bin/spire-server
 ENTRYPOINT ["/opt/spire/bin/spire-server", "run"]