chore(java_templates): add default CODEOWNERS files for samples reviews (#96)

This PR was generated using Autosynth. 🌈

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https://source.cloud.google.com/results/invocations/129bf4ce-2255-4b88-83a1-1b40d560e3d3/targets

Source-Link: googleapis/synthtool@8b65daa

Author: yoshi-automation

.github/CODEOWNERS

@@ -0,0 +1,8 @@
+# Code owners file.
+# This file controls who is tagged for review for any given pull request.
+
+# For syntax help see:
+# https://help.github.com/en/github/creating-cloning-and-archiving-repositories/about-code-owners#codeowners-syntax
+
+# The java-samples-reviewers team is the default owner for samples changes
+samples/**/*.java       @googleapis/java-samples-reviewers

synth.metadata

@@ -3,15 +3,15 @@
     {
       "git": {
         "name": ".",
-        "remote": "git@github.com:googleapis/java-pubsublite.git",
-        "sha": "add80781c6b647834f2aa07cd8a9ff6609fd280d"
+        "remote": "https://github.com/googleapis/java-pubsublite.git",
+        "sha": "70c3fd21945ef604e9129e1c230e713d538acda7"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "470789cee75ce93c41348ad6aa4c49363a80399b"
+        "sha": "8b65daa222d193b689279162781baf0aa1f0ffd2"
       }
     }
   ]