⬆️ 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/obiscript/my_script.lua

@@ -0,0 +1,17 @@
+function begin()
+    obicontext.item("compteur", 0)
+end
+
+function worker(sequence)
+    samples = sequence:attribute("merged_sample")
+    samples["tutu"] = 4
+    sequence:attribute("merged_sample", samples)
+    sequence:attribute("toto", 44444)
+    nb = obicontext.inc("compteur")
+    sequence:id("seq_" .. nb)
+    return sequence
+end
+
+function finish()
+    print("compteur = " .. obicontext.item("compteur"))
+end