Bump p6spy from 3.8.6 to 3.8.7

Bumps [p6spy](https://github.com/p6spy/p6spy) from 3.8.6 to 3.8.7.
- [Release notes](https://github.com/p6spy/p6spy/releases)
- [Changelog](https://github.com/p6spy/p6spy/blob/master/docs/releasenotes.md)
- [Commits](https://github.com/p6spy/p6spy/compare/p6spy-3.8.6...p6spy-3.8.7)

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

build.gradle

@@ -63,7 +63,7 @@ ext {
         "gson"                       : "com.google.code.gson:gson:2.8.6",
         "lagarto"                    : "org.jodd:jodd-lagarto:5.1.0-20190624",
         //datasource
-        "p6spy"                      : "p6spy:p6spy:3.8.6",
+        "p6spy"                      : "p6spy:p6spy:3.8.7",
         "sqlserver"                  : "com.microsoft.sqlserver:sqljdbc4:4.0",
         "postgresql"                 : "org.postgresql:postgresql:42.2.9",
         "oracle"                     : fileTree(dir: 'libs', includes: ['ojdbc-11.2.0.3-jdk16.jar']),