Update alpine Docker tag to v3.22

renovate[bot] · web-flow · commit 8fec758bdc5b · 2025-05-30T19:33:59.000Z
diff --git a/Dockerfile b/Dockerfile
@@ -9,7 +9,7 @@ RUN go build -v -ldflags "-s -w" .
 
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-FROM alpine:3.19
+FROM alpine:3.22
 
 COPY --from=build /usr/src/icecon/icecon /usr/local/bin
 
