chore: new owl bot post processor docker image (#214)

Post-Processor: gcr.io/repo-automation-bots/owlbot-python:latest@sha256:58c7342b0bccf85028100adaa3d856cb4a871c22ca9c01960d996e66c40548ce

Author: gcf-owl-bot[bot]

.github/.OwlBot.lock.yaml

@@ -1,3 +1,3 @@
 docker:
   image: gcr.io/repo-automation-bots/owlbot-python:latest
-  digest: sha256:c66ba3c8d7bc8566f47df841f98cd0097b28fff0b1864c86f5817f4c8c3e8600
+  digest: sha256:58c7342b0bccf85028100adaa3d856cb4a871c22ca9c01960d996e66c40548ce

docs/conf.py

@@ -80,9 +80,9 @@
 master_doc = "index"
 
 # General information about the project.
-project = u"google-api-core"
-copyright = u"2019, Google"
-author = u"Google APIs"
+project = "google-api-core"
+copyright = "2019, Google"
+author = "Google APIs"
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
@@ -281,7 +281,7 @@
     (
         master_doc,
         "google-api-core.tex",
-        u"google-api-core Documentation",
+        "google-api-core Documentation",
         author,
         "manual",
     )
@@ -313,7 +313,7 @@
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
 man_pages = [
-    (master_doc, "google-api-core", u"google-api-core Documentation", [author], 1,)
+    (master_doc, "google-api-core", "google-api-core Documentation", [author], 1,)
 ]
 
 # If true, show URL addresses after external links.
@@ -329,7 +329,7 @@
     (
         master_doc,
         "google-api-core",
-        u"google-api-core Documentation",
+        "google-api-core Documentation",
         author,
         "google-api-core",
         "google-api-core Library",