[gimp-web] downloads: add GIMP 2.10.20 installer revision 1 for Microsoft Windows

[Michael Schumacher <schumaml src gnome org>]

commit b72e2625c0d5508629d33d118a126792caf5cf76
Author: Michael Schumacher <schumaml gmx de>
Date:   Thu Jun 11 21:08:21 2020 +0200

    downloads: add GIMP 2.10.20 installer revision 1 for Microsoft Windows
    
    This one is slightly faster and smaller due to build parameter optimization.

 content/gimp_versions.json | 10 ++++++++++
 1 file changed, 10 insertions(+)
---
diff --git a/content/gimp_versions.json b/content/gimp_versions.json
index 91aa0434..d77cab6b 100644
--- a/content/gimp_versions.json
+++ b/content/gimp_versions.json
@@ -11,6 +11,16 @@
                 }
             ],
             "windows": [
+                {
+                    "date": "2020-06-11",
+                    "filename": "gimp-2.10.20-setup-1.exe",
+                    "sha512": 
"d2f0374ea60f70cc69879dc9762b0cb7327cc010b80cfc39b92789bebc107cbcc8590e99df613e4402259f30585e9bb746a1d909f933571802cfc06ca2970e07",
+                    "sha256": "430b1a709cd89b5cddb857032a7a5b93199d076ff8cd83ebdd0112330b65ba51",
+                    "min-support": "Windows 7",
+                    "build-id": "org.gimp.GIMP_official",
+                    "comment": "Slightly faster and smaller due to optimized build parameters",
+                    "revision": 1
+                },
                 {
                     "date": "2020-06-09",
                     "filename": "gimp-2.10.20-setup.exe",