chore(deps): update alpine:3.18 docker digest to dd60c75

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@sha256:3ddf7bf1d408188f9849efbf4f902720ae08f5131bb39013518b918aa056d0de
+FROM alpine:3.18@sha256:dd60c75fba961ecc5e918961c713f3c42dd5665171c58f9b2ef5aafe081ad5a0
 
 LABEL maintainer="Nicolas Lamirault <nicolas.lamirault@gmail.com>" \
     org.opencontainers.image.title="Tools for Portefaix project" \