deps:chore - update alpine Docker tag to v3.20.3

Signed-off-by: Renovate Bot <bot@renovateapp.com>

internal/services/formatters/shell/deployments/Dockerfile

@@ -12,6 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM alpine:3.16.0
+FROM alpine:3.20.3
 
 RUN apk add shellcheck>0.7.2