[gssdp] Prepare GSSDP 1.5.0

[Jens Georg <jensgeorg src gnome org>]

commit 4af188a362753ccc4d821ecde3d0ae2acf987aec
Author: Jens Georg <mail jensge org>
Date:   Sun Apr 24 21:29:04 2022 +0200

    Prepare GSSDP 1.5.0

 NEWS | 9 +++++++++
 1 file changed, 9 insertions(+)
---
diff --git a/NEWS b/NEWS
index 0ec6b77..4916d1d 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,12 @@
+1.5.0 (unstable)
+================
+ - Switch to libsoup3
+ - Bump API and ABI
+ - Deprecate Client:msearch-port property for Client:port
+
+All contributors to this release:
+ - Jens Georg <mail jensge org>
+
 1.4.0 (stable)
 ==============
  - Fix building the sniffer when built as subproject