Release PyMC3 v3.11.3 (#4941)

* Release PyMC3 v3.11.3

* Update RELEASE-NOTES.md

Author: canyon289

RELEASE-NOTES.md

@@ -1,6 +1,6 @@
 # Release Notes
 
-## PyMC3 3.11.3 (TBD)
+## PyMC3 3.11.3 (19 August 2021)
 ### Maintenance
 + A deprecation warning from the `semver` package we use for checking backend compatibility was dealt with (see [#4547](https://github.com/pymc-devs/pymc3/pull/4547)).
 + `theano.printing.pydotprint` is now hotfixed upon import (see [#4594](https://github.com/pymc-devs/pymc3/pull/4594)).
@@ -15,6 +15,11 @@
 [#4720](https://github.com/pymc-devs/pymc3/pull/4720)).
 + `plot_gp_dist` is now available at the package level: `pm.plot_gp_dist` ([see #4835](https://github.com/pymc-devs/pymc3/pull/4835)).
 + The experimental JAX sampling was removed. It will be included in the upcoming `v4` release ([see #4866](https://github.com/pymc-devs/pymc3/pull/4866)).
++ `pm.intX` no longer downcasts integers unnecessarily (see [#4569](https://github.com/pymc-devs/pymc3/pull/4569))
+
+
+**Release manager** for 3.11.3: Ravin Kumar ([@canyon289](https://github.com/canyon289))
+
 
 ## PyMC3 3.11.2 (14 March 2021)
 
@@ -35,7 +40,6 @@
 - `pm.make_shared_replacements` now retains broadcasting information which fixes issues with Metropolis samplers (see [#4492](https://github.com/pymc-devs/pymc3/pull/4492)).
 
 **Release manager** for 3.11.2: Michael Osthege ([@michaelosthege](https://github.com/michaelosthege))
-- `pm.intX` no longer downcasts integers unnecessarily (see [#4569](https://github.com/pymc-devs/pymc3/pull/4569))
 
 ## PyMC3 3.11.1 (12 February 2021)
 

pymc3/__init__.py

@@ -13,7 +13,7 @@
 #   limitations under the License.
 
 # pylint: disable=wildcard-import
-__version__ = "3.11.2"
+__version__ = "3.11.3"
 
 import logging
 import multiprocessing as mp