Bump net-ldap from 0.16.0 to 0.16.2

Bumps [net-ldap](https://github.com/ruby-ldap/ruby-net-ldap) from 0.16.0 to 0.16.2.
- [Release notes](https://github.com/ruby-ldap/ruby-net-ldap/releases)
- [Changelog](https://github.com/ruby-ldap/ruby-net-ldap/blob/master/History.rdoc)
- [Commits](ruby-ldap/ruby-net-ldap@v0.16.0...v0.16.2)

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

Author: dependabot-preview[bot]

Gemfile.lock

@@ -574,7 +574,7 @@ GEM
     mustermann (1.0.3)
     mysql2 (0.5.2)
     net-http-digest_auth (1.4.1)
-    net-ldap (0.16.1)
+    net-ldap (0.16.2)
     net-scp (2.0.0)
       net-ssh (>= 2.6.5, < 6.0.0)
     net-ssh (5.2.0)
@@ -627,31 +627,6 @@ GEM
     pry-rails (0.3.9)
       pry (>= 0.10.4)
     public_suffix (4.0.1)
-    rack (1.6.13)
-    rack-protection (1.5.5)
-      rack
-    rack-test (0.6.3)
-      rack (>= 1.0)
-    rails (4.2.11.1)
-      actionmailer (= 4.2.11.1)
-      actionpack (= 4.2.11.1)
-      actionview (= 4.2.11.1)
-      activejob (= 4.2.11.1)
-      activemodel (= 4.2.11.1)
-      activerecord (= 4.2.11.1)
-      activesupport (= 4.2.11.1)
-      bundler (>= 1.3.0, < 2.0)
-      railties (= 4.2.11.1)
-      sprockets-rails
-    rails-deprecated_sanitizer (1.0.3)
-      activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.9)
-      activesupport (>= 4.2.0, < 5.0)
-      nokogiri (~> 1.6)
-      rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.3.0)
-      loofah (~> 2.3)
-    rake (13.0.1)
     raabro (1.1.6)
     rack (2.0.7)
     rack-cors (1.0.3)