Bump version for release

Author: tmorrell

codemeta.json

@@ -6,7 +6,7 @@
     "codeRepository": "https://github.com/caltechlibrary/caltechdata_api",
     "issueTracker": "https://github.com/caltechlibrary/caltechdata_api/issues",
     "license": "https://data.caltech.edu/license",
-    "version": "1.9.0",
+    "version": "1.9.1",
     "author": [
         {
             "@type": "Person",
@@ -40,7 +40,7 @@
         }
     ],
     "developmentStatus": "active",
-    "downloadUrl": "https://github.com/caltechlibrary/caltechdata_api/archive/1.8.1.zip",
+    "downloadUrl": "https://github.com/caltechlibrary/caltechdata_api/archive/1.9.1.zip",
     "keywords": [
         "GitHub",
         "metadata",