update codemeta.json

Author: sckott

codemeta.json

@@ -87,7 +87,7 @@
       "@type": "SoftwareApplication",
       "identifier": "roxygen2",
       "name": "roxygen2",
-      "version": ">= 7.0.0",
+      "version": ">= 6.1.1",
       "provider": {
         "@id": "https://cran.r-project.org",
         "@type": "Organization",