Update version info in preparation

I want to push this MR to production as soon as we've verified things work in the dev environment as well as in local testing. Since I forgot to update to 1.13.0 in the last release tag, I'll make this part of 1.13.1.

code.json

@@ -3,7 +3,7 @@
     "name": "geomag-algorithms",
     "organization": "U.S. Geological Survey",
     "description": "Library for processing Geomagnetic timeseries data.",
-    "version": "1.12.3",
+    "version": "1.13.1",
     "status": "Development",
     "permissions": {
       "usageType": "openSource",
@@ -35,7 +35,7 @@
       "email": "gs-haz_dev_team_group@usgs.gov"
     },
     "date": {
-      "metadataLastUpdated": "2025-02-13"
+      "metadataLastUpdated": "2025-02-18"
     }
   }
 ]
\ No newline at end of file

pyproject.toml

@@ -17,7 +17,7 @@ packages = [
   {include = "geomagio" }
 ]
 repository="https://code.usgs.gov/ghsc/geomag/geomag-algorithms"
-version = "1.12.3"
+version = "1.13.1"
 
 
 [tool.poetry.dependencies]