chore(deps): update alpine docker tag to v3.17.6

plural-renovate[bot] · plural-renovate[bot] · commit 3768c2f01233 · 2023-12-01T00:37:56.000Z
diff --git a/dockerfiles/Dockerfile.cloud b/dockerfiles/Dockerfile.cloud
@@ -27,7 +27,7 @@ RUN CGO_ENABLED=0 GOOS=linux GOARCH=${TARGETARCH} \
     -X "github.com/pluralsh/plural-cli/cmd/plural.Date=${APP_DATE}"' \
     -o plural .
 
-FROM alpine:3.17.2 as tools
+FROM alpine:3.17.6 as tools
 
 ARG TARGETARCH
 
