Update docker images

alpine: 3.19 -> 3.20

Author: Danielius1922

cmd/bridge-device/Dockerfile

@@ -10,7 +10,7 @@ RUN patch -p1 < "${GOPATH}/src/github.com/plgd-dev/device/tools/docker/patches/s
 WORKDIR $GOPATH/src/github.com/plgd-dev/device
 RUN CGO_ENABLED=0 go build -o /go/bin/bridge-device ./cmd/bridge-device
 
-FROM alpine:3.19 AS security-provider
+FROM alpine:3.20 AS security-provider
 RUN apk add -U --no-cache ca-certificates
 RUN addgroup -S nonroot \
     && adduser -S nonroot -G nonroot

test/cloud-server/Dockerfile

@@ -7,7 +7,7 @@ COPY . .
 RUN go test -c -coverpkg=./... -covermode=atomic ./client -o /go/bin/device.client.test
 RUN go test -c -coverpkg=./... -covermode=atomic ./client/core -o /go/bin/device.client.core.test
 
-FROM alpine:3.19 AS service
+FROM alpine:3.20 AS service
 RUN apk add --no-cache bash
 COPY --from=build /go/bin/device.client.test /usr/local/bin/device.client.test
 COPY --from=build /go/bin/device.client.core.test /usr/local/bin/device.client.core.test