Updating python dependencies

Update of Python packages (using pip-compile) in preparation for
Release FOURTEEN

Change-Id: Ib41ca12b847dcb3f0711d952fe9b8b1ae57e826f
Signed-off-by: Gulsum Atici <gulsum.atici@canonical.com>
diff --git a/requirements.in b/requirements.in
index 03898e9..5185d7a 100644
--- a/requirements.in
+++ b/requirements.in
@@ -11,12 +11,9 @@
 #     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #     See the License for the specific language governing permissions and
 #     limitations under the License.
-
-async-timeout<4
 juju==3.0.0
 kubernetes
 motor==1.3.1
 pyasn1
-pyyaml<6
+pyyaml==5.4.1
 retrying-async
-certifi==2022.9.24