fix(xo-server-audit): fix incorrect records content type (#5179)

CHANGELOG.unreleased.md

@@ -25,6 +25,7 @@
 - [OVA Import] fix import of Red Hat generated .ova files (PR [#5159](https://github.com/vatesfr/xen-orchestra/pull/5159))
 - [Proxy/deploy] Ability to set HTTP proxy configuration (PR [#5145](https://github.com/vatesfr/xen-orchestra/pull/5145))
 - [Fast clone] Fix bug where the name of the created VM would be "undefined_clone" (PR [#5173](https://github.com/vatesfr/xen-orchestra/pull/5173))
+- [Audit] Fix unreadable exported records format (PR [#5179](https://github.com/vatesfr/xen-orchestra/pull/5179))
 
 ### Packages to release
 
@@ -43,6 +44,7 @@
 >
 > In case of conflict, the highest (lowest in previous list) `$version` wins.
 
+- xo-server-audit patch
 - @xen-orchestra/openflow patch
 - xo-server-sdn-controller major
 - xo-vmdk-to-vhd minor

packages/xo-server-audit/src/index.js

@@ -272,7 +272,7 @@ class AuditXoPlugin {
         (req, res) => {
           res.set({
             'content-disposition': 'attachment',
-            'content-type': 'application/json',
+            'content-type': 'application/x-gzip',
           })
           return fromCallback(
             pipeline,