Merge pull request #15 from portefaix/renovate/alpine-3.x

Update dependency alpine to v3.16

.github/actions/tools/Dockerfile

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM alpine:3.15
+FROM alpine:3.16
 
 LABEL maintainer="Nicolas Lamirault <[email protected]>" \
     org.opencontainers.image.title="Tools for Portefaix project" \