build: tweak version pinning

hariko/Dockerfile

@@ -1,14 +1,14 @@
-FROM golang:1.22.3-alpine as builder
+FROM golang:1.22.3-alpine3.20 as builder
 WORKDIR /app
 COPY go.mod go.sum ./
 RUN go mod download
 COPY . .
 RUN CGO_ENABLED=0 GOOS=linux go build -o hariko
 
-FROM alpine:3.19.1
+FROM alpine:3.20
 COPY --from=builder /app/hariko /
 SHELL ["/bin/ash", "-o", "pipefail", "-c"]
 RUN export HELM_DRIVER=configmap \
- && apk add --no-cache bash=~5.2.21 curl=~8.5.0 openssl=~3.1.6 \
+ && apk add --no-cache bash=~5 curl=~8 openssl=~3 \
  && curl -LSfs https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash
 ENTRYPOINT ["/hariko"]