fix: Build docs always from the current local version

docs/Makefile

@@ -41,7 +41,8 @@ html:
 install:
 	@echo "... setting up virtualenv"
 	python3 -m venv env
-	. $(VENV); pip install -r requirements.txt
+	 sed "s/^django-cms=.*$//\./g" requirements.txt > requirements.local.txt
+	. $(VENV); ( cd .. ; pip install -r docs/requirements.local.txt )
 
 	@echo "\n" \
 	      "-------------------------------------------------------------------------------------------------- \n" \

docs/requirements.txt

@@ -40,7 +40,7 @@ django-classy-tags==3.0.1
     # via
     #   django-cms
     #   django-sekizai
-django-cms==3.11.0
+.
     # via -r requirements.in
 django-formtools==2.3
     # via django-cms

scripts/make-release

@@ -226,6 +226,11 @@ git commit cms/static -m "${COMMIT_PREFIX}compiling new static files"
 
 
 status "- preparing documentation"
+# Adjust docs/requirements.txt so that it refers to the local version of django CMS
+# (and not to a pypi version)
+sed -i 's/^django-cms=.*$/\./g' docs/requirements.txt
+git add docs/requirements.txt
+
 "${SCRIPTS}/make-changelog" "${FULL_VERSION}"
 
 upgrade_doc="docs/upgrade/${VERSION}.rst"