doc: document sqlite3 depend and add to docker build

Signed-off-by: Christian Hopps <chopps@labn.net>

doc/developer/building-frr-for-ubuntu2204.rst

@@ -50,6 +50,17 @@ This is optional
 
    sudo apt-get install protobuf-c-compiler libprotobuf-c-dev
 
+
+Config Rollbacks
+^^^^^^^^^^^^^^^^
+
+If config rollbacks are enabled using ``--enable-config-rollbacks``
+the sqlite3 developer package also should be installed.
+
+.. code-block:: console
+   sudo apt install libsqlite3-dev
+
+
 ZeroMQ
 ^^^^^^
 This is optional

docker/ubuntu-ci/Dockerfile

@@ -22,6 +22,7 @@ RUN apt update && apt upgrade -y && \
             libpam0g-dev \
             libreadline-dev \
             libsnmp-dev \
+            libsqlite3-dev \
             libtool \
             make \
             perl \
@@ -112,6 +113,7 @@ RUN cd ~/frr && \
        --enable-multipath=64 \
        --enable-user=frr \
        --enable-group=frr \
+       --enable-config-rollbacks \
        --enable-vty-group=frrvty \
        --enable-snmp=agentx \
        --enable-scripting \