Merge branch 'stable-3.1' into stable-3.2

* stable-3.1:
  Remove Hugo Arès from developers section in pom.xml files
  ElasticContainer: Upgrade V6_8 to elasticsearch 6.8.10
  Upgrade elasticsearch-rest-client to 7.7.1
  ElasticContainer: Upgrade V7_7 to elasticsearch 7.7.1
  Support /COMMIT_MSG for change edit REST endpoints
  IntBlob: Add debug log when storing value on ref
  RepoSequence: Add debug log when acquiring new sequence batch
  Bazel: Remove version suffix from servlet-api-3_1 rule
  Update no-new-changes error doc
  Ignore WIP changes in "CCed on" dashboard section
  Sequences: Introduce constants for configuration keys/values
  RepoSequence: Add debug log of batch size
  Move Flogger to nongoogle.bzl
  DefaultRefFilter#canSeeSingleChangeRef: Do not fail for invalid change refs
  Upgrade testcontainers to 1.14.3
  Add missing documentation of notedb.changes.sequenceBatchSize
  Enable rolling upgrade to next versions

Change-Id: I73cfa328b97619440f25374c0380760dd54ec646
diff --git a/javatests/com/google/gerrit/elasticsearch/ElasticContainer.java b/javatests/com/google/gerrit/elasticsearch/ElasticContainer.java
index 15094fd..c20650f 100644
--- a/javatests/com/google/gerrit/elasticsearch/ElasticContainer.java
+++ b/javatests/com/google/gerrit/elasticsearch/ElasticContainer.java
@@ -43,7 +43,7 @@
       case V6_7:
         return "blacktop/elasticsearch:6.7.2";
       case V6_8:
-        return "blacktop/elasticsearch:6.8.9";
+        return "blacktop/elasticsearch:6.8.10";
       case V7_0:
         return "blacktop/elasticsearch:7.0.1";
       case V7_1:
@@ -59,7 +59,7 @@
       case V7_6:
         return "blacktop/elasticsearch:7.6.2";
       case V7_7:
-        return "blacktop/elasticsearch:7.7.0";
+        return "blacktop/elasticsearch:7.7.1";
     }
     throw new IllegalStateException("No tests for version: " + version.name());
   }