Prepare for next development phase (#471)

## Task

Resolves: None

## Description

This PR was triggered automatically after a release. It replaces the
released versions with SNAPSHOT versions.

Co-authored-by: pulumi-kotlin[bot] <138587440+pulumi-kotlin[bot]@users.noreply.github.com>

src/main/resources/version-config.json

@@ -56,7 +56,7 @@
   {
     "providerName": "gcp",
     "url": "https://raw.githubusercontent.com/pulumi/pulumi-gcp/v7.3.1/provider/cmd/pulumi-resource-gcp/schema.json",
-    "kotlinVersion": "7.3.1.0",
+    "kotlinVersion": "7.3.1.1-SNAPSHOT",
     "javaVersion": "7.3.1",
     "javaGitTag": "v7.3.1",
     "customDependencies": [