Bump net-scp from 2.0.0 to 3.0.0 (#13601)

Bumps [net-scp](https://github.com/net-ssh/net-scp) from 2.0.0 to 3.0.0.
- [Release notes](https://github.com/net-ssh/net-scp/releases)
- [Changelog](https://github.com/net-ssh/net-scp/blob/master/CHANGES.txt)
- [Commits](https://github.com/net-ssh/net-scp/compare/v2.0.0...v3.0.0)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Gemfile.lock

@@ -369,9 +369,9 @@ GEM
     multipart-post (2.1.1)
     necromancer (0.5.1)
     net-ldap (0.16.2)
-    net-scp (2.0.0)
-      net-ssh (>= 2.6.5, < 6.0.0)
-    net-ssh (5.2.0)
+    net-scp (3.0.0)
+      net-ssh (>= 2.6.5, < 7.0.0)
+    net-ssh (6.0.2)
     nio4r (2.5.2)
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)