release: updating changelogs and version to 0.13b0 (#1129)

* updating changelogs and version to 0.13b0

instrumentation/opentelemetry-instrumentation-dbapi/CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+## Version 0.13b0
+
+Released 2020-09-17
+
 - bugfix: cursors and connections now produce spans when used with context managers
   ([#1028](https://github.com/open-telemetry/opentelemetry-python/pull/1028))
 - Drop support for Python 3.4

instrumentation/opentelemetry-instrumentation-dbapi/setup.cfg

@@ -39,13 +39,13 @@ package_dir=
     =src
 packages=find_namespace:
 install_requires =
-    opentelemetry-api == 0.13dev0
-    opentelemetry-instrumentation == 0.13dev0
+    opentelemetry-api == 0.13b0
+    opentelemetry-instrumentation == 0.13b0
     wrapt >= 1.0.0, < 2.0.0
 
 [options.extras_require]
 test =
-    opentelemetry-test == 0.13dev0
+    opentelemetry-test == 0.13b0
 
 [options.packages.find]
 where = src

instrumentation/opentelemetry-instrumentation-dbapi/src/opentelemetry/instrumentation/dbapi/version.py

@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "0.13dev0"
+__version__ = "0.13b0"