Update Mozilla/Firefox to 78.0.2 (#2441)

* Mozilla/Firefox 78.0.2

* Rename 78.0.2.yml to 78.0.2.yaml

manifests/Mozilla/Firefox/78.0.2.yaml

@@ -0,0 +1,40 @@
+# ================== General ==================
+Id: Mozilla.Firefox
+Publisher: Mozilla
+Name: Firefox
+Author: Mozilla
+Description: Mozilla Firefox is free and open source software, built by a community of thousands from all over the world.
+AppMoniker: firefox
+Tags: Browser, Mozilla, Firefox
+FileExtensions: http, https
+
+# ================== License ==================
+Homepage: https://www.mozilla.org/en-US/firefox/new/
+License: Mozilla Public License Version 2.0
+LicenseUrl: https://www.mozilla.org/en-US/MPL/2.0/
+
+# ================= Installer =================
+MinOSVersion: 10.0.0.0
+#Channel: stable                # Channel is not supported in this preview (5/24/2020)
+Version: 78.0.2
+
+Switches:
+      Custom: /norestart
+      Silent: /qn
+      SilentWithProgress: /qb
+      #Interactive:             # Interactive is not supported in this preview (5/24/2020)
+      Language: en-US
+
+InstallerType: msi
+Installers:
+  - Arch: x64
+    Url: https://download-installer.cdn.mozilla.net/pub/firefox/releases/78.0.2/win64/en-US/Firefox%20Setup%2078.0.2.msi
+    
+    Sha256: eec10f50e910d7dc21b2ebec40db251ec4b5368f174eb8f3777ba24c06ab8671
+    Scope: machine
+  #- Arch: x86
+    #Url: https://download-installer.cdn.mozilla.net/pub/firefox/releases/78.0.2/win32/en-US/Firefox%20Setup%2078.0.2.msi
+    #Sha256: 5e2299e26bdc2615c8811d796a845fa8bb027020121029f475788cd152024458
+    #Scope: machine
+    
+# ManifestVersion: 0.1.1