chore(deps): update docker.elastic.co/wolfi/chainguard-base:latest docker digest to 8cff240 (#2148)

Co-authored-by: elastic-renovate-prod[bot] <174716857+elastic-renovate-prod[bot]@users.noreply.github.com>

Author: elastic-renovate-prod[bot]

Dockerfile.wolfi

@@ -1,3 +1,3 @@
-FROM docker.elastic.co/wolfi/chainguard-base:latest@sha256:18153942f0d6e97bc6131cd557c7ed3be6e892846a5df0760896eb8d15b1b236
+FROM docker.elastic.co/wolfi/chainguard-base:latest@sha256:8cff240b81057968575dd28dab0c3609657cb7e0e60ff017261e5b721fad9e1b
 ARG AGENT_DIR
 COPY ${AGENT_DIR} /opt/python