OSX-KVM - June 2021 Batch Update

Changes:

- Upgrade to OpenCore 0.7.0

- Upgrade OVMF to ovmf_2021.05-1_all.deb

- Add installer build script for Monterey developer beta (nick)

- Sync config.plist with Nick's upstream repository

- Misc. fixes (nick and others)

OpenCore-Catalina/EFI/OC/Kexts/VirtualSMC.kext/Contents/Info.plist

@@ -3,7 +3,7 @@
 <plist version="1.0">
 <dict>
 	<key>BuildMachineOSBuild</key>
-	<string>19H2</string>
+	<string>19H1217</string>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>en</string>
 	<key>CFBundleExecutable</key>
@@ -17,7 +17,7 @@
 	<key>CFBundlePackageType</key>
 	<string>KEXT</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.1.8</string>
+	<string>1.2.4</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleSupportedPlatforms</key>
@@ -25,23 +25,23 @@
 		<string>MacOSX</string>
 	</array>
 	<key>CFBundleVersion</key>
-	<string>1.1.8</string>
+	<string>1.2.4</string>
 	<key>DTCompiler</key>
 	<string>com.apple.compilers.llvm.clang.1_0</string>
 	<key>DTPlatformBuild</key>
-	<string>12A7209</string>
+	<string>12B45b</string>
 	<key>DTPlatformName</key>
 	<string>macosx</string>
 	<key>DTPlatformVersion</key>
-	<string>10.15.6</string>
+	<string>11.0</string>
 	<key>DTSDKBuild</key>
-	<string>19G68</string>
+	<string>20A2408</string>
 	<key>DTSDKName</key>
-	<string>macosx10.15</string>
+	<string>macosx11.0</string>
 	<key>DTXcode</key>
-	<string>1200</string>
+	<string>1220</string>
 	<key>DTXcodeBuild</key>
-	<string>12A7209</string>
+	<string>12B45b</string>
 	<key>IOKitPersonalities</key>
 	<dict>
 		<key>as.vit9696.VirtualSMC</key>