chore: update py2 admonition (#30)

* changes without context

        autosynth cannot find the source of changes triggered by earlier changes in this
        repository, or by version upgrades to tools such as linters.

* feat(python): add defaults for microgenerator libraries

Source-Author: Bu Sun Kim <8822365+busunkim96@users.noreply.github.com>
Source-Date: Mon Jun 22 17:56:27 2020 -0700
Source-Repo: googleapis/synthtool
Source-Sha: db4f15fedc76e04018e6e43ec403e804e1142158
Source-Link: googleapis/synthtool@db4f15f

* chore(python): fix line breaks in template and use newer black version

* chore(python): fix line breaks in template

* fix: also update black version

Source-Author: Bu Sun Kim <8822365+busunkim96@users.noreply.github.com>
Source-Date: Tue Jun 23 02:33:35 2020 -0700
Source-Repo: googleapis/synthtool
Source-Sha: cf2eff09d0f5319a4dc5cdce2b6356d85af4a798
Source-Link: googleapis/synthtool@cf2eff0

* chore: update Py2 support msg to reflect passage of time

Source-Author: Dan O'Meara <danom@google.com>
Source-Date: Mon Jun 29 13:20:01 2020 -0700
Source-Repo: googleapis/synthtool
Source-Sha: 303271797a360f8a439203413f13a160f2f5b3b4
Source-Link: googleapis/synthtool@3032717

packages/grafeas/docs/_templates/layout.html

@@ -21,8 +21,8 @@
 
           <div class="body" role="main">
           	<div class="admonition" id="python2-eol"> 
-          	 On January 1, 2020 this library will no longer support Python 2 on the latest released version. 
-          	 Previously released library versions will continue to be available. For more information please
+          	 As of January 1, 2020 this library no longer supports Python 2 on the latest released version. 
+          	 Library versions released prior to that date will continue to be available. For more information please
           	 visit <a href="https://cloud.google.com/python/docs/python2-sunset/">Python 2 support on Google Cloud</a>.
           	</div>
             {% block body %} {% endblock %}

packages/grafeas/synth.metadata

@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/python-grafeas.git",
-        "sha": "5a085e3bcff42c1f7492656766b2f287078f1ed5"
+        "sha": "0ea0ff9b9d6ef182456b792d981a0f5cdd3d5bb6"
       }
     },
     {
@@ -19,7 +19,7 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "483f18635c3af10031435535268abe001ad69e7c"
+        "sha": "303271797a360f8a439203413f13a160f2f5b3b4"
       }
     }
   ],