libyang3-py3 needs python3-cffi installed in dockers

Author: bradh352

dockers/docker-config-engine-bookworm/Dockerfile.j2

@@ -9,7 +9,8 @@ RUN apt-get update         && \
         apt-utils             \
         build-essential       \
         python3-dev           \
-        python3-yaml
+        python3-yaml          \
+        python3-cffi
 
 {%- if CONFIGURED_ARCH == "armhf" or CONFIGURED_ARCH == "arm64" %}
 RUN apt-get install -y        \

dockers/docker-config-engine-bullseye/Dockerfile.j2

@@ -8,7 +8,8 @@ RUN apt-get update         && \
     apt-get install -y        \
         apt-utils             \
         build-essential       \
-        python3-dev
+        python3-dev           \
+        python3-cffi
 
 {%- if CONFIGURED_ARCH == "armhf" or CONFIGURED_ARCH == "arm64" %}
 RUN apt-get install -y        \

dockers/docker-config-engine-buster/Dockerfile.j2

@@ -8,7 +8,8 @@ RUN apt-get update         && \
     apt-get install -y        \
         apt-utils             \
         build-essential       \
-        python3-dev
+        python3-dev           \
+        python3-cffi
 
 {%- if CONFIGURED_ARCH == "armhf" or CONFIGURED_ARCH == "arm64" %}
 RUN apt-get install -y        \

dockers/docker-config-engine/Dockerfile.j2

@@ -6,7 +6,7 @@ ENV DEBIAN_FRONTEND=noninteractive
 RUN apt-get update
 
 # Dependencies for sonic-cfggen
-RUN apt-get install -y build-essential python-dev
+RUN apt-get install -y build-essential python-dev python3-cffi
 
 # Install python-redis
 RUN pip install redis>=3.5.3