Increment versions in repo to 0.12 (#1573)

Changes generated by `tox run -ebumpversion`

Author: wshanks

.mergify.yml

@@ -6,4 +6,4 @@ pull_request_rules:
     actions:
       backport:
         branches:
-          - stable/0.10
+          - stable/0.11

docs/conf.py

@@ -35,10 +35,10 @@
 
 # -- Project information -----------------------------------------------------
 # The short X.Y version
-version = os.getenv("VERSION_STRING", "0.11")
+version = os.getenv("VERSION_STRING", "0.12")
 
 # The full version, including alpha/beta/rc tags
-release = os.getenv("RELEASE_STRING", "0.11.0")
+release = os.getenv("RELEASE_STRING", "0.12.0")
 
 project = "Qiskit Experiments"
 copyright = f"2021-{datetime.date.today().year}, Qiskit Development Team"  # pylint: disable=redefined-builtin

docs/release_notes.rst

@@ -3,7 +3,7 @@ Release Notes
 =============
 
 .. release-notes::
-   :earliest-version: 0.10.0
+   :earliest-version: 0.11.0
 
 .. _Release Notes_0.10.0:
 
@@ -4129,4 +4129,4 @@ API Changes for Experiment Authors
 - A ``model_description`` fields has been added to the
   :class:`qiskit_experiments.curve_analysis.SeriesDef` dataclass. This field
   stores the string representation of the fit model of the curve and will be
-  stored in the experiments analysis result extra field.
+  stored in the experiments analysis result extra field.

qiskit_experiments/VERSION.txt

@@ -1 +1 @@
-0.11.0
+0.12.0