chore: spack cherry-pick: podio: depends_on py-graphviz

This PR will install py-graphviz so as to make sure podio-vis works.

spack.sh

@@ -34,6 +34,8 @@ d3c796f2ce1da2dda198707def297aeab702d33c
 d50f8d7b19e07f25a3ce8de28ff9b352fd926d7f
 9e4fab277b8a5b9ec5587c8a8b6514f12c8042a4
 8f4f691e2b2a6263f661fb0a455bcaf73e90036a
+ef4274ed2ee9545eab399a6249346b56b66415a4
+42b739d6d5b69b825e7992cd88b0b076a9bf0a9e
 ---
 ## Optional hash table with comma-separated file list
 read -r -d '' SPACK_CHERRYPICKS_FILES <<- \
@@ -68,3 +70,5 @@ read -r -d '' SPACK_CHERRYPICKS_FILES <<- \
 ## d50f8d7b19e07f25a3ce8de28ff9b352fd926d7f: root: sha256 change on latest versions
 ## 9e4fab277b8a5b9ec5587c8a8b6514f12c8042a4: [root] New variants, patches
 ## 8f4f691e2b2a6263f661fb0a455bcaf73e90036a: hepmc3: add v3.2.7
+## ef4274ed2ee9545eab399a6249346b56b66415a4: podio: Add latest tag 0.17.4
+## 42b739d6d5b69b825e7992cd88b0b076a9bf0a9e: podio: depends_on py-graphviz type run (for podio-vis)