Updated AppVeyor to download ODBC driver 17.3 (#941)

appveyor.yml

@@ -81,10 +81,10 @@ install:
         } Else {
             $env:PHP_VERSION=$env:PHP_MAJOR_VER + '.' + $env:PHP_MINOR_VER;
         }
-    - echo Downloading MSODBCSQL 17.2
+    - echo Downloading MSODBCSQL 17.3
     # AppVeyor build works are x64 VMs and 32-bit ODBC driver cannot be installed on it
-    - ps: (new-object net.webclient).DownloadFile('https://download.microsoft.com/download/E/6/B/E6BFDC7A-5BCD-4C51-9912-635646DA801E/en-US/msodbcsql_17.2.0.1_x64.msi', 'c:\projects\msodbcsql_17.2.0.1_x64.msi')
-    - cmd /c start /wait msiexec /i "c:\projects\msodbcsql_17.2.0.1_x64.msi" /q IACCEPTMSODBCSQLLICENSETERMS=YES ADDLOCAL=ALL
+    - ps: (new-object net.webclient).DownloadFile('https://download.microsoft.com/download/E/6/B/E6BFDC7A-5BCD-4C51-9912-635646DA801E/en-US/msodbcsql_17.3.1.1_x64.msi', 'c:\projects\msodbcsql_17.3.1.1_x64.msi')
+    - cmd /c start /wait msiexec /i "c:\projects\msodbcsql_17.3.1.1_x64.msi" /q IACCEPTMSODBCSQLLICENSETERMS=YES ADDLOCAL=ALL
     - echo Checking the version of MSODBCSQL
     - reg query "HKLM\SOFTWARE\ODBC\odbcinst.ini\ODBC Driver 17 for SQL Server"
     - dir %WINDIR%\System32\msodbcsql*.dll