Unpinning train for upcoming major version release

inspec/train#548 fixed so lets update!

Signed-off-by: tyler-ball <tball@chef.io>

components/gems/Gemfile

@@ -44,10 +44,6 @@ end
 group(:omnibus_package) do
   gem "appbundler"
 
-  ## Until we resolve https://github.com/inspec/train/issues/548
-  gem "train", "=3.2.0"
-  gem "train-core", "=3.2.0"
-
   # Expeditor manages the version of chef released to Rubygems. We only release 'stable' chef
   # gems to Rubygems now, so letting this float on latest should always give us the latest
   # stable release. May have to re-pin around major version bumping time, or during patch

components/gems/Gemfile.lock

@@ -837,20 +837,19 @@ GEM
     toml-rb (2.0.1)
       citrus (~> 3.0, > 3.0)
     tomlrb (1.3.0)
-    train (3.2.0)
+    train (3.2.28)
       activesupport (~> 5.2.3)
       azure_graph_rbac (~> 0.16)
       azure_mgmt_key_vault (~> 0.17)
       azure_mgmt_resources (~> 0.15)
       azure_mgmt_security (~> 0.18)
+      azure_mgmt_storage (~> 0.18)
       docker-api (~> 1.26)
       google-api-client (>= 0.23.9, < 0.35.0)
       googleauth (>= 0.6.6, < 0.11.0)
-      inifile
-      json (>= 1.8, < 3.0)
-      mixlib-shellout (>= 2.0, < 4.0)
-      net-scp (>= 1.2, < 3.0)
-      net-ssh (>= 2.9, < 6.0)
+      inifile (~> 3.0)
+      train-core (= 3.2.28)
+      train-winrm (~> 0.2)
     train-aws (0.1.15)
       aws-sdk-apigateway (~> 1.0)
       aws-sdk-apigatewayv2 (~> 1.0)
@@ -898,7 +897,8 @@ GEM
       aws-sdk-sns (~> 1.9)
       aws-sdk-sqs (~> 1.10)
       aws-sdk-ssm (~> 1.0)
-    train-core (3.2.0)
+    train-core (3.2.28)
+      addressable (~> 2.5)
       json (>= 1.8, < 3.0)
       mixlib-shellout (>= 2.0, < 4.0)
       net-scp (>= 1.2, < 3.0)
@@ -1094,8 +1094,6 @@ DEPENDENCIES
   ruby-shadow
   stove (>= 7.1.5)
   test-kitchen (>= 2.0)
-  train (= 3.2.0)
-  train-core (= 3.2.0)
   win32-api
   win32-dir
   win32-event