Add Gnome Dia (#7523)

* Add Gnome DIa

* Correct Arch

* Fix version mismatch

manifests/gnome/Dia/0.97.2.yaml

@@ -0,0 +1,23 @@
+# ================== General ==================
+Id: gnome.Dia
+Publisher: gnome
+Name: Dia
+Author: gnome
+Description: Dia is a GTK+ based diagram creation program for GNU/Linux, MacOS X, Unix, and Windows, and is released under the GPL license.
+Tags: diagram, productivity, editor, flowchart
+AppMoniker: dia
+
+# ================== License ==================
+Homepage: https://wiki.gnome.org/Apps/Dia
+License: GPLv2
+LicenseUrl: https://gitlab.gnome.org/GNOME/dia/-/blob/master/COPYING
+
+# ================= Installer =================
+Version: 0.97.2
+InstallerType: NULLSOFT
+Installers:
+  - Arch: x86
+    Url: https://jztkft.dl.sourceforge.net/project/dia-installer/dia-win32-installer/0.97.2/dia-setup-0.97.2-2-unsigned.exe
+    Sha256: 8257389d6264742d414404beaaaac869336c91f9f9af1e31ee081aa6e7857f3c
+    Switches:
+      Silent: /S