Update the cereal version to 1.3.0

Cereal version 1.3.0 provides support for persisting std::variant
which is needed for bios-settings-manager

Signed-off-by: Tom Joseph <tomjoseph@in.ibm.com>
Change-Id: I0f3428ab3d053649b1c9d946d90729afe5c9c728
diff --git a/build-unit-test-docker.sh b/build-unit-test-docker.sh
index fbd3836..d5ddcd4 100755
--- a/build-unit-test-docker.sh
+++ b/build-unit-test-docker.sh
@@ -95,7 +95,7 @@
 # Start off by listing the stating versions of third-party sources
 declare -A PKG_REV=(
   [boost]=1.74.0
-  [cereal]=v1.2.2
+  [cereal]=v1.3.0
   [catch2]=v2.12.2
   [CLI11]=v1.9.0
   [fmt]=6.2.1