Update Sigil-Ebook.Sigil to 1.4.3 (#7747)

manifests/Sigil-Ebook/Sigil/1.4.3.yaml

@@ -0,0 +1,18 @@
+Id: Sigil-Ebook.Sigil
+Version: 1.4.3
+Name: Sigil
+Publisher: Sigil-Ebook
+License: GPL3
+LicenseUrl: https://github.com/Sigil-Ebook/Sigil/blob/master/COPYING.txt
+AppMoniker: sigil
+Tags: ebook, sigil, ebook editor, epub
+Description: Sigil is a free, open source, multi-platform ebook editor that uses Qt (and QtWebEngine). It is designed to edit books in ePub format (both ePub 2 and ePub 3).
+Homepage: https://sigil-ebook.com/
+Installers:
+  - Arch: x64
+    Url: https://github.com/Sigil-Ebook/Sigil/releases/download/1.4.3/Sigil-1.4.3-Windows-x64-Setup.exe
+    Sha256: e36c4624e16e450a85fc524f672c772094e15e51db706a7ee4a68fad27f288f9
+    InstallerType: inno
+    Switches:
+      Silent: /ALLUSERS /NORESTART /TYPE=FULL /VERYSILENT
+      SilentWithProgress: /ALLUSERS /NORESTART /TYPE=FULL /SILENT