[FIX] packaging: add missing polib packages

The use of polib as introduced in commit 632fa044.
The nightly packaging system uses Docker to test the packages and they need to
be updated when a new library dependency is introduced.

closes odoo/odoo#34117

Signed-off-by: Christophe Monniez (moc) <moc@odoo.com>

setup/package.dfdebian

@@ -35,6 +35,7 @@ RUN apt-get update -qq &&  \
         python3-mock \
         python3-ofxparse \
         python3-passlib \
+        python3-polib \
         python3-psutil \
         python3-psycopg2 \
         python3-pydot \

setup/package.dffedora

@@ -32,6 +32,7 @@ RUN dnf update -d 0 -e 0 -y && \
 	  python3-PyPDF2 \
 	  python3-pyserial \
 	  python3-dateutil \
+	  python3-polib \
 	  python3-pytz \
 	  python3-pyusb \
 	  python3-qrcode \