build-unit-test-docker: json-c: update to 0.17

The 0.17 release is now used in upstream poky.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I51219980998cdacb45733cab19cc88f0e097f30d
diff --git a/scripts/build-unit-test-docker b/scripts/build-unit-test-docker
index 2312c26..e89da8d 100755
--- a/scripts/build-unit-test-docker
+++ b/scripts/build-unit-test-docker
@@ -159,7 +159,7 @@
         ],
     ),
     "json-c/json-c": PackageDef(
-        rev="json-c-0.16-20220414",
+        rev="json-c-0.17-20230812",
         build_type="cmake",
     ),
     # Snapshot from 2019-05-24