chore(deps): update docker.elastic.co/wolfi/chainguard-base:latest docker digest to e777226 (#2201)

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:ea157dd3d70787c6b6dc9e14dda1ff103c781d4c3f9a544393ff4583dd80c9d0
+FROM docker.elastic.co/wolfi/chainguard-base:latest@sha256:e777226b7f8f6e90aed8255b56e763ee73a0f8885a4e4ddc4159d318d90fd1b6
 ARG AGENT_DIR
 COPY ${AGENT_DIR} /opt/python