Fix pylint workflow

.github/workflows/pylint.yml

@@ -28,8 +28,8 @@ jobs:
             . .env/bin/activate
             pip install -U pip wheel setuptools
             pip install pylint-json2html
-            pip install $(egrep "pylint.*" ./cvat/requirements/development.txt)
-            pip install $(egrep "Django.*" ./cvat/requirements/base.txt)
+            pip install $(egrep "pylint.*==.*" ./cvat/requirements/development.txt)
+            pip install $(egrep "django==.*" ./cvat/requirements/base.txt)
             mkdir -p pylint_report
 
             echo "Pylint version: "$(pylint --version | head -1)