build(deps): bump wolfi/chainguard-base from af25746 to a7acf02 (#2322)

Bumps [wolfi/chainguard-base](https://github.com/chainguard-images/images-private) from `af25746` to `a7acf02`.
- [Commits](https://github.com/chainguard-images/images-private/commits)

---
updated-dependencies:
- dependency-name: wolfi/chainguard-base
  dependency-version: latest
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Dockerfile.wolfi

@@ -1,3 +1,3 @@
-FROM docker.elastic.co/wolfi/chainguard-base:latest@sha256:af257460ae20e9b5c72a20f11c4e523cf6df87c1931be4617fab5cf877790fc7
+FROM docker.elastic.co/wolfi/chainguard-base:latest@sha256:a7acf020605f7b3faf04b180bf68d170e394d1f5b2249fce3805fd5d3f145c0e
 ARG AGENT_DIR
 COPY ${AGENT_DIR} /opt/python