Bump alpine from 3.18.3 to 3.18.4 (#299)

Bumps alpine from 3.18.3 to 3.18.4.


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Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.18.3
+FROM alpine:3.18.4
 
 # Define args for the target platform so we can identify the binary in the Docker context.
 # These args are populated by Docker. The values should match Go's GOOS and GOARCH values for