chore(deps): update chainguard-dev/malcontent to v1.8.7

| datasource      | package                   | from   | to     |
| --------------- | ------------------------- | ------ | ------ |
| github-releases | chainguard-dev/malcontent | v1.7.1 | v1.8.7 |


Signed-off-by: Justin Bailey <beholdenkey@users.noreply.github.com>

Taskfile.yaml

@@ -9,7 +9,7 @@ dotenv:
 
 vars:
   # renovate: datasource=github-releases depName=chainguard-dev/malcontent
-  MALCONTENT_VERSION: "1.7.1"
+  MALCONTENT_VERSION: "1.8.7"
   # renovate: datasource=github-releases depName=Orange-OpenSource/hurl
   HURL_VERSION: "6.0.0"
   # renovate: datasource=github-releases depName=opentofu/opentofu