Set same vs version for all the solutions

eShopOnContainers-Android.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
-VisualStudioVersion = 15.0.26430.6
+VisualStudioVersion = 15.0.26730.8
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{932D8224-11F6-4D07-B109-DA28AD288A63}"
 EndProject

eShopOnContainers-AzureFunctions.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
-VisualStudioVersion = 15.0.26608.5
+VisualStudioVersion = 15.0.26730.8
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Infrastructure", "Infrastructure", "{5B1011EC-CEE5-47AA-B336-99381D573679}"
 EndProject

eShopOnContainers-MobileApps.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
-VisualStudioVersion = 15.0.26430.16
+VisualStudioVersion = 15.0.26730.8
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{932D8224-11F6-4D07-B109-DA28AD288A63}"
 EndProject

eShopOnContainers-iOS.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
-VisualStudioVersion = 15.0.26430.6
+VisualStudioVersion = 15.0.26730.8
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{932D8224-11F6-4D07-B109-DA28AD288A63}"
 EndProject

eShopOnContainers.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
-VisualStudioVersion = 15.0.26430.6
+VisualStudioVersion = 15.0.26730.8
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{E53339B2-1760-4266-BCC7-CA923CBCF16C}") = "docker-compose", "docker-compose.dcproj", "{FEA0C318-FFED-4D39-8781-265718CA43DD}"
 	ProjectSection(ProjectDependencies) = postProject