Update alpine:3.18 Docker digest to eece025

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/actions/tools/Dockerfile

@@ -28,7 +28,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM alpine:3.18@sha256:7144f7bab3d4c2648d7e59409f15ec52a18006a128c733fcff20d3a4a54ba44a
+FROM alpine:3.18@sha256:eece025e432126ce23f223450a0326fbebde39cdf496a85d8c016293fc851978
 
 LABEL maintainer="Nicolas Lamirault <[email protected]>" \
     org.opencontainers.image.title="Tools for Portefaix project" \