Set the min-version for x64 to 17.0.

Author: camrein

src/ParallelHelper.Plugin/source.extension.vsixmanifest

@@ -14,19 +14,19 @@
         <InstallationTarget Id="Microsoft.VisualStudio.Community" Version="[16.3,)">
             <ProductArchitecture>x86</ProductArchitecture>
         </InstallationTarget>
-        <InstallationTarget Id="Microsoft.VisualStudio.Community" Version="[16.3,)">
+        <InstallationTarget Id="Microsoft.VisualStudio.Community" Version="[17.0,)">
             <ProductArchitecture>amd64</ProductArchitecture>
         </InstallationTarget>
         <InstallationTarget Id="Microsoft.VisualStudio.Pro" Version="[16.3,)">
             <ProductArchitecture>x86</ProductArchitecture>
         </InstallationTarget>
-        <InstallationTarget Id="Microsoft.VisualStudio.Pro" Version="[16.3,)">
+        <InstallationTarget Id="Microsoft.VisualStudio.Pro" Version="[17.0,)">
             <ProductArchitecture>amd64</ProductArchitecture>
         </InstallationTarget>
         <InstallationTarget Id="Microsoft.VisualStudio.Enterprise" Version="[16.3,)">
             <ProductArchitecture>x86</ProductArchitecture>
         </InstallationTarget>
-        <InstallationTarget Id="Microsoft.VisualStudio.Enterprise" Version="[16.3,)">
+        <InstallationTarget Id="Microsoft.VisualStudio.Enterprise" Version="[17.0,)">
             <ProductArchitecture>amd64</ProductArchitecture>
         </InstallationTarget>
     </Installation>