use 0.7.0 in migration workflow

Author: Kesku

.github/workflows/migrate-namespace.yml

@@ -40,12 +40,12 @@ jobs:
             "name": "io.github.perplexityai/mcp-server",
             "title": "Perplexity API Platform (moved to ai.perplexity/mcp-server)",
             "description": "Real-time web search, reasoning, and research through Perplexity's API",
-            "version": "0.7.2",
+            "version": "0.7.1",
             "packages": [
               {
                 "registryType": "npm",
                 "identifier": "@perplexity-ai/mcp-server",
-                "version": "0.7.1",
+                "version": "0.7.0",
                 "transport": {
                   "type": "stdio"
                 }
@@ -58,7 +58,7 @@ jobs:
           const fs = require('fs');
           const pkg = JSON.parse(fs.readFileSync('package.json', 'utf8'));
           pkg.mcpName = 'io.github.perplexityai/mcp-server';
-          pkg.version = '0.7.1';
+          pkg.version = '0.7.0';
           fs.writeFileSync('package.json', JSON.stringify(pkg, null, 2) + '\n');
           "