debian/changelog: UNRELEASED => experimental

Gbp-Dch: Ignore

debian/changelog

-openexr (2.5.0-1) UNRELEASED; urgency=medium
+openexr (2.5.0-1) experimental; urgency=medium
 
   * New upstream release, fixing following security issues:
     + CVE-2020-11758:
@@ -47,7 +47,7 @@ openexr (2.5.0-1) UNRELEASED; urgency=medium
   * debian/libopenexr-dev.install: cmake helpers added
   * debian/openexr-doc.examples: installation paths updated
 
- -- Matteo F. Vescovi <mfv@debian.org>  Mon, 11 May 2020 16:32:58 +0200
+ -- Matteo F. Vescovi <mfv@debian.org>  Mon, 11 May 2020 16:33:24 +0200
 
 openexr (2.3.0-6) unstable; urgency=medium