[IMP] runbot: display version in build error view

Before this commit, the build error view was not displaying the version
of versions that was buggy. This commit adds the version in the build
error view.

runbot/templates/build_error.xml

@@ -9,6 +9,7 @@
               <div class="col">Last seen date</div>
               <div class="col col-md-3">Module</div>
               <div class="col col-md-5">Summary</div>
+              <div class="col">Version</div>
               <div class="col">Triggers</div>
               <div class="col">Assigned to</div>
               <div class="col">&amp;nbsp;</div>
@@ -26,6 +27,11 @@
                     <code><t t-esc="build_error.summary"/></code>
                   </button>
                 </div>
+                <div class="col">
+                  <t t-foreach="build_error.version_ids" t-as="version">
+                    <span t-attf-class="{{version.is_major ? 'text-bg-warning' : 'text-bg-info'}}" class="badge text-bg-pill text-bg-info small"><t t-esc="version.name"/></span>
+                  </t>
+                </div>
                 <div class="col">
                   <t t-foreach="build_error.trigger_ids" t-as="trigger">
                     <span class="badge text-bg-pill text-bg-info small"><t t-esc="trigger.name"/></span>