Replace curly quotes with straight quotes

Curly quotes usually input from Chinese input method.
When read from english context, it makes some confusion.

Change-Id: I6209f92de2a5b136c2c16decfe5752f5c44096ff

HACKING.rst

@@ -385,7 +385,7 @@ following procedure::
 
 Otherwise the bug fix won't be able to land in the project.
 
-Handily, `Zuul’s cross-repository dependencies
+Handily, `Zuul's cross-repository dependencies
 <https://docs.openstack.org/infra/zuul/user/gating.html#cross-project-dependencies>`_.
 can be leveraged to do without step 2 and to have steps 3 and 4 happen
 "atomically". To do that, make the patch written in step 1 to depend (refer to

doc/source/configuration.rst

@@ -400,7 +400,7 @@ changed.
     Examples:
 
     * Good - ``http://example.com:1234/v2.0``
-    * Wouldn’t work -  ``http://example.com:1234/xyz/v2.0/``
+    * Wouldn't work -  ``http://example.com:1234/xyz/v2.0/``
       (adding prefix/suffix around version etc)
 
 Service Feature Configuration

releasenotes/notes/fix-list-group-snapshots-api-969d9321002c566c.yaml

@@ -1,6 +1,6 @@
 ---
 fixes:
   - |
-    Fix list_group_snapshots API in v3 group_snapshots_client： Bug#1715786.
+    Fix list_group_snapshots API in v3 group_snapshots_client: Bug#1715786.
     The url path for list group snapshots with details API is changed from
     ``?detail=True`` to ``/detail``.