Update dependency apispec to v6.8.4

Signed-off-by: red-hat-konflux <126015336+red-hat-konflux[bot]@users.noreply.github.com>

Author: red-hat-konflux[bot]

requirements.txt

@@ -9,7 +9,7 @@ productmd
 python-ldap
 prometheus_client
 Werkzeug==2.2.3  # Flask-Login is not compatible with newer version
-apispec==6.3.0  # Pin version to install from pypi
+apispec==6.8.4  # Pin version to install from pypi
 apispec-webframeworks==0.5.2  # Pin version to install from pypi
 marshmallow>=3.18.0
 opentelemetry-instrumentation-flask