Bump bootstrap from 4.0.0 to 5.0.0 in /test/resources/packagesconfig

Bumps bootstrap from 4.0.0 to 5.0.0.

---
updated-dependencies:
- dependency-name: bootstrap
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

test/resources/packagesconfig/packages.config

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="bootstrap" version="4.0.0" targetFramework="net461" />
+  <package id="bootstrap" version="5.0.0" targetFramework="net45" />
   <package id="jQuery" version="3.0.0" targetFramework="net461" />
 </packages>