GIMP updated to v2.10.20 (#1854)

manifests/GIMP/GIMP/2.10.20.yaml

@@ -0,0 +1,34 @@
+# ================== General ==================
+Id: GIMP.GIMP
+Publisher: GIMP
+Name: GIMP
+Author: GIMP
+Description: GIMP is an acronym for GNU Image Manipulation Program. It is a freely distributed program for such tasks as photo retouching, image composition and image authoring.
+AppMoniker: GIMP
+Tags: "editor, image, picture, pictures, photo, gimp"
+#FileExtensions: "jpg, jpeg, ico, icon, pdf, psd, tif, tiff"     # FileExtensions are not supported in this preview (5/24/2020)
+
+# ================== License ==================
+Homepage: https://www.gimp.org
+License: Copyright (C) 2007 Free Software Foundation, Inc. - GNU General Public License
+LicenseUrl: https://www.gimp.org/about/COPYING 
+
+# ================= Installer =================
+MinOSVersion: 10.0.0.0
+#Channel: stable                # Channel is not supported in this preview (5/24/2020) 
+Version: 2.10.20
+
+InstallerType: Inno
+Switches:
+      Custom: /NORESTART /ALLUSERS
+      Silent: /VERYSILENT
+      SilentWithProgress: /SILENT
+      #Interactive:             # Interactive is not supported in this preview (5/24/2020)
+
+Installers:
+  - Arch: x64
+    Url: https://download.gimp.org/mirror/pub/gimp/v2.10/windows/gimp-2.10.20-setup-1.exe
+    Sha256: 430b1a709cd89b5cddb857032a7a5b93199d076ff8cd83ebdd0112330b65ba51
+    #Scope: machine             # Scope is not supported in this preview (5/24/2020)
+    
+# ManifestVersion: 0.1.0