[ci] Update pmdtester to 1.1.0

Gemfile

@@ -1,9 +1,9 @@
 source 'https://rubygems.org/'
 
 # bleeding edge from git
-gem 'pmdtester', :git => 'https://github.com/pmd/pmd-regression-tester.git'
+#gem 'pmdtester', :git => 'https://github.com/pmd/pmd-regression-tester.git'
 
-#gem 'pmdtester', '~> 1.0'
+gem 'pmdtester', '~> 1.1'
 gem 'danger', '~> 5.6', '>= 5.6'
 
 # This group is only needed for rendering release notes

Gemfile.lock

@@ -1,13 +1,3 @@
-GIT
-  remote: https://github.com/pmd/pmd-regression-tester.git
-  revision: ab54e3494917c9adf7cc236dddfee58094c2ed8a
-  specs:
-    pmdtester (1.1.0.pre.SNAPSHOT)
-      differ (~> 0.1)
-      nokogiri (~> 1.8)
-      rufus-scheduler (~> 3.5)
-      slop (~> 4.6)
-
 GEM
   remote: https://rubygems.org/
   specs:
@@ -48,6 +38,7 @@ GEM
       rchardet (~> 1.8)
     kramdown (1.17.0)
     liquid (4.0.3)
+    logger-colors (1.0.0)
     mini_portile2 (2.4.0)
     multipart-post (2.1.1)
     nap (1.1.0)
@@ -58,6 +49,13 @@ GEM
       faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
     open4 (1.3.4)
+    pmdtester (1.1.0)
+      differ (~> 0.1)
+      liquid (>= 4.0)
+      logger-colors (~> 1.0)
+      nokogiri (~> 1.8)
+      rufus-scheduler (~> 3.5)
+      slop (~> 4.6)
     public_suffix (4.0.6)
     raabro (1.4.0)
     rchardet (1.8.0)
@@ -81,7 +79,7 @@ PLATFORMS
 DEPENDENCIES
   danger (~> 5.6, >= 5.6)
   liquid (>= 4.0.0)
-  pmdtester!
+  pmdtester (~> 1.1)
   rouge (>= 1.7, < 4)
   safe_yaml (>= 1.0)