Update docker.elastic.co/wolfi/chainguard-base:latest Docker digest to 6387bd4 (#123395)

This PR contains the following updates:

| Package | Update | Change | |---|---|---| |
docker.elastic.co/wolfi/chainguard-base | digest | `d74b1fd` ->
`6387bd4` |

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This PR has been generated by [Renovate
Bot](https://redirect.github.com/renovatebot/renovate).
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build-tools-internal/src/main/java/org/elasticsearch/gradle/internal/DockerBase.java

@@ -24,7 +24,7 @@ public enum DockerBase {
     // Chainguard based wolfi image with latest jdk
     // This is usually updated via renovatebot
     // spotless:off
-    WOLFI("docker.elastic.co/wolfi/chainguard-base:latest@sha256:d74b1fda6b7fee2c90b410df258e005c049e0672fe16d79d00e58f14fb69f90b",
+    WOLFI("docker.elastic.co/wolfi/chainguard-base:latest@sha256:6387bd4c462007eaecaf13a423aea99c8a8452da09244c129703324aa97769c6",
         "-wolfi",
         "apk"
     ),