Bump bootstrap from 4.1.1 to 4.3.1 in /SportsAnalyzer

Bumps bootstrap from 4.1.1 to 4.3.1.

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

SportsAnalyzer/packages.config

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Antlr" version="3.5.0.2" targetFramework="net461" />
-  <package id="bootstrap" version="4.1.1" targetFramework="net461" />
+  <package id="bootstrap" version="4.3.1" targetFramework="net461" />
   <package id="EntityFramework" version="6.4.0" targetFramework="net461" />
   <package id="jQuery" version="3.3.1" targetFramework="net461" />
   <package id="jQuery.Validation" version="1.17.0" targetFramework="net461" />