Revert "ci: Use sarif-tools v3.0.1 due to issues in earlier versions."

It seems that the sarif-tools package version 3.0+ cause some kind
of instability with the build system.  Until it has a proper root
cause, we shouldn't try to apply any fixes.

This reverts commit f2ab45c.

Signed-off-by: Aaron Conole <aconole@redhat.com>
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Acked-by: Ilya Maximets <i.maximets@ovn.org>

.ci/linux-prepare.sh

@@ -23,7 +23,7 @@ cd ..
 #     https://github.com/pypa/pip/issues/10655
 pip3 install --disable-pip-version-check --user wheel
 pip3 install --disable-pip-version-check --user \
-    flake8 netaddr pyparsing sarif-tools>=3.0.1 sphinx setuptools
+    flake8 netaddr pyparsing sarif-tools==2.0.0 sphinx setuptools
 
 # Install python test dependencies
 pip3 install -r python/test_requirements.txt