chore: release v0.7.1, auto-release on merge

Release workflow now also fires on workflow_run when CI succeeds on
master; verify job skips unless package.json version lacks a matching
tag, so merges only release on a version bump. Tag pushes unchanged.

Authored By: TDvorak <[email protected]>

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

apps/desktop/src-tauri/tauri.conf.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://schema.tauri.app/config/2",
   "productName": "Primora",
-  "version": "0.7.0",
+  "version": "0.7.1",
   "identifier": "dev.tdvorak.primora",
   "build": {
     "frontendDist": "../ui"