Upgrade to v1.20.0-preview

conf/app.src

@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/backdrop/backdrop/releases/download/1.19.3/backdrop.zip
-SOURCE_SUM=bc48494a699ba1a54018165ad46bdd48faa815e87df4ce052a43e8eb1ab23262
+SOURCE_URL=https://github.com/backdrop/backdrop/releases/download/1.20.0-preview/backdrop.zip
+SOURCE_SUM=38581e11e6fd56b6151d6115831d5cd175c3043d61a160758be0302758628103
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=zip
 SOURCE_IN_SUBDIR=true

manifest.json

@@ -6,7 +6,7 @@
         "en": "Easy-to-use CMS for building professional websites",
         "fr": "CMS facile à utiliser pour créer des sites Web professionnels"
     },
-  "version": "1.19.3~ynh1",
+    "version": "1.20.0-preview~ynh1",
     "url": "https://backdropcms.org/",
     "upstream": {
         "license": "GPL-2.0",
@@ -31,7 +31,7 @@
         "mysql"
     ],
     "arguments": {
-    "install" : [
+        "install": [
             {
                 "name": "domain",
                 "type": "domain",