Update docker.elastic.co/wolfi/chainguard-base:latest Docker digest to b85d54c (main) (elastic#239455)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.elastic.co/wolfi/chainguard-base | digest | `eb38cad` ->
`b85d54c` |

---

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This PR has been generated by [Renovate
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<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS4xMDcuMCIsInVwZGF0ZWRJblZlciI6IjM5LjEwNy4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJUZWFtOk9wZXJhdGlvbnMiLCJiYWNrcG9ydDpza2lwIiwicmVsZWFzZV9ub3RlOnNraXAiXX0=-->

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

Author: 3 people

src/dev/build/tasks/os_packages/docker_generator/run.ts

@@ -52,7 +52,7 @@ export async function runDockerGenerator(
    */
   if (flags.baseImage === 'wolfi')
     baseImageName =
-      'docker.elastic.co/wolfi/chainguard-base:latest@sha256:eb38cadc8aa4d1e5fc159d40e0fb9eb23f59e139fe27483b674ba617d52db4e9';
+      'docker.elastic.co/wolfi/chainguard-base:latest@sha256:b85d54c9019ff80e88aab7d357ede3341d1442ce190173eed42ae5a116753e4e';
 
   let imageFlavor = '';
   if (flags.baseImage === 'wolfi' && !flags.serverless && !flags.cloud) imageFlavor += `-wolfi`;