⬆️ version bump to v4.5

- Update obioptions.Version from "Release 4.4.29" to "/v/ Release v5"
- Update version.txt from 4.29 → .30
(automated by Makefile)

autodoc/examples/obisummary/out_json.json

@@ -0,0 +1,17 @@
+{
+  "annotations": {
+    "keys": {
+      "scalar": {
+        "count": 5
+      }
+    },
+    "map_attributes": 0,
+    "scalar_attributes": 1,
+    "vector_attributes": 0
+  },
+  "count": {
+    "reads": 21,
+    "total_length": 100,
+    "variants": 5
+  }
+}