bump minimum macOS version

MacOS 11 is required from qt 6.5

Change-Id: I4cde10a3dccffe5d2b4778ceda5db9d3a20dd447

INSTALL.md

@@ -288,7 +288,7 @@ Once the build has finished, you should then be able to use the Visual Studio So
 
 **Set up**
 
-- macOS minimum version 10.15
+- macOS minimum version 11.0
 - install python3
 - download xcode
 - install Qt 6.6

extras/packaging/update/sparkle/sparkle-xml-updater.sh

@@ -34,7 +34,7 @@ cat << EOFILE > ${REPO_FOLDER}/${SPARKLE_FILE}
             <pubDate>$DATE_RFC2822</pubDate>
             <sparkle:version>${BUILD}</sparkle:version>
             <sparkle:shortVersionString>${VERSION}</sparkle:shortVersionString>
-            <sparkle:minimumSystemVersion>10.15.0</sparkle:minimumSystemVersion>
+            <sparkle:minimumSystemVersion>11.0</sparkle:minimumSystemVersion>
             <enclosure url="${REPO_URL}/$(basename ${PACKAGE})" type="application/octet-stream" $(./sign_update ${PACKAGE}) />
         </item>
 $(echo -e "${ITEMS}")

resources/Info.plist

@@ -17,7 +17,7 @@
 	<key>CFBundleShortVersionString</key>
 	<string>${MACOSX_BUNDLE_SHORT_VERSION_STRING}</string>
 	<key>LSMinimumSystemVersion</key>
-	<string>10.15</string>
+	<string>11.0</string>
 	<key>CFBundleVersion</key>
 	<string>${MACOSX_BUNDLE_BUNDLE_VERSION}</string>
 	<key>LSApplicationCategoryType</key>