Pin black version in tox.ini to 23.12.1

Change-Id: Ia1b9a1d20d440246ebae122eba4cd7321a9e909a
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/releasenotes/notes/pin_black_version-e4ec9dc514823c6e.yaml b/releasenotes/notes/pin_black_version-e4ec9dc514823c6e.yaml
new file mode 100644
index 0000000..421e7e0
--- /dev/null
+++ b/releasenotes/notes/pin_black_version-e4ec9dc514823c6e.yaml
@@ -0,0 +1,21 @@
+#######################################################################################
+# Copyright ETSI Contributors and Others.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#######################################################################################
+---
+other:
+  - |
+    This change pins black version to 23.12.1 in tox.ini.
+
diff --git a/tox.ini b/tox.ini
index b51b540..66467c7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -32,7 +32,7 @@
 
 #######################################################################################
 [testenv:black]
-deps = black
+deps = black==23.12.1
 skip_install = true
 commands =
         black --check --diff osm_common/