Bump dependencies

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Gemfile.lock

 PATH
   remote: .
   specs:
-    gitlab_omniauth-ldap (1.0.4)
-      net-ldap (~> 0.7.0)
+    gitlab_omniauth-ldap (1.1.0)
+      net-ldap (~> 0.9)
       omniauth (~> 1.0)
       pyu-ruby-sasl (~> 0.0.3.1)
-      rubyntlm (~> 0.1.1)
+      rubyntlm (~> 0.3)
 GEM
   remote: http://rubygems.org/
@@ -14,7 +14,7 @@ GEM
     diff-lcs (1.1.3)
     hashie (3.3.1)
     method_source (0.8.1)
-    net-ldap (0.7.0)
+    net-ldap (0.9.0)
     omniauth (1.2.2)
       hashie (>= 1.2, < 4)
       rack (~> 1.0)
@@ -35,7 +35,7 @@ GEM
     rspec-expectations (2.12.1)
       diff-lcs (~> 1.1.3)
     rspec-mocks (2.12.1)
-    rubyntlm (0.1.1)
+    rubyntlm (0.4.0)
     slop (3.3.3)
 PLATFORMS

gitlab_omniauth-ldap.gemspec

@@ -10,9 +10,9 @@ Gem::Specification.new do |gem|
   gem.license       = "MIT"
   gem.add_runtime_dependency     'omniauth', '~> 1.0'
-  gem.add_runtime_dependency     'net-ldap', '~> 0.7.0'
+  gem.add_runtime_dependency     'net-ldap', '~> 0.9'
   gem.add_runtime_dependency     'pyu-ruby-sasl', '~> 0.0.3.1'
-  gem.add_runtime_dependency     'rubyntlm', '~> 0.1.1'
+  gem.add_runtime_dependency     'rubyntlm', '~> 0.3'
   gem.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
   gem.files         = `git ls-files`.split("\n")