[deps] Bump some dependencies

deps/docformatter/meta.yaml

-{% set version = "1.3" %}
+{% set version = "1.3.1" %}
 
 package:
   name: docformatter

deps/python-gitlab/meta.yaml

 {% set name = "python-gitlab" %}
-{% set version = "1.12.1" %}
+{% set version = "1.15.0" %}
 
 package:
   name: {{ name|lower }}
@@ -7,7 +7,7 @@ package:
 
 source:
   url: https://pypi.io/packages/source/{{ name[0] }}/{{ name }}/{{ name }}-{{ version }}.tar.gz
-  sha256: 984e110c1f76fd939652c30ce3101267a7064e34417cbfc4687e6106d4db54ec
+  sha256: 45125a0ed4d0027d4317bdbd71ca02fc52b0ac160b9d2c3c5be131b4d19f867e
 
 build:
   number: 0