contrib: update Knot DNS to 3.0

contrib/docker/README.rst

@@ -40,7 +40,7 @@ Registry Maintance - new builds
 .. code-block:: console
 
    # knot-resolver-buildenv container build
-   $ export KNOT_BRANCH=2.9
+   $ export KNOT_BRANCH=3.0
    $ docker build --no-cache -t registry.nic.cz/knot/respdiff/knot-resolver-buildenv:knot-$KNOT_BRANCH --build-arg KNOT_BRANCH=$KNOT_BRANCH knot-resolver-buildenv
 
    # bind container build

contrib/docker/knot-resolver/Dockerfile

-ARG KNOT_BRANCH=2.9
+ARG KNOT_BRANCH=3.0
 
 # first build stage, it will not persist in the final image
 FROM registry.nic.cz/knot/respdiff/knot-resolver-buildenv:knot-$KNOT_BRANCH as intermediate

contrib/job_manager/create.py

@@ -202,7 +202,7 @@ def main() -> None:
         '--jobs-dir', default='/var/tmp/respdiff-jobs',
         help="Directory with job collections (default: /var/tmp/respdiff-jobs)")
     parser.add_argument(
-        '--knot-branch', type=str, default='2.9',
+        '--knot-branch', type=str, default='3.0',
         help="Build knot-resolver against selected Knot DNS branch")
     parser.add_argument(
         '-v', '--verbose', action='store_true',