Update labels of the POVM toolbox (#758)

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ecosystem/resources/members/povm-toolbox.toml

@@ -5,7 +5,7 @@ licence = "Apache License 2.0"
 contact_info = "[email protected]"
 alternatives = "_No response_"
 affiliations = "_No response_"
-labels = [ "Quantum information",]
+labels = [ "Quantum information", "Algorithms", "Circuit building tool",]
 ibm_maintained = false
 stars = 6
 group = "other"