bump dev version

DESCRIPTION

@@ -1,7 +1,7 @@
 Type: Package
 Package: gtfsio
 Title: Read and Write General Transit Feed Specification (GTFS) Files
-Version: 1.2.0
+Version: 1.2.0.9000
 Authors@R: 
     c(person(given = "Daniel",
              family = "Herszenhut",

NEWS.md

@@ -1,3 +1,11 @@
+# gtfsio (development version)
+
+## Bug fixes
+
+## New features
+
+## Notes
+
 # gtfsio 1.2.0
 
 ## New features

codemeta.json

@@ -8,7 +8,7 @@
   "codeRepository": "https://github.com/r-transit/gtfsio",
   "issueTracker": "https://github.com/r-transit/gtfsio/issues",
   "license": "https://spdx.org/licenses/MIT",
-  "version": "1.2.0",
+  "version": "1.2.0.9000",
   "programmingLanguage": {
     "@type": "ComputerLanguage",
     "name": "R",
@@ -163,7 +163,7 @@
     },
     "SystemRequirements": null
   },
-  "fileSize": "436.56KB",
+  "fileSize": "436.614KB",
   "releaseNotes": "https://github.com/r-transit/gtfsio/blob/master/NEWS.md",
   "readme": "https://github.com/r-transit/gtfsio/blob/master/README.md",
   "contIntegration": ["https://github.com/r-transit/gtfsio/actions?query=workflow%3AR-CMD-check", "https://app.codecov.io/gh/r-transit/gtfsio?branch=master"],