CI: concurrency group to avoid act_runner cache races on single runner.

.gitea/workflows/ci.yml

@@ -5,6 +5,11 @@ on:
     branches: [master, main]
   pull_request:
 
+# Один runner (DESKTOP-SIR8B3R): параллельные workflow ломают кэш act/actions.
+concurrency:
+  group: eventhub-back-${{ github.ref }}
+  cancel-in-progress: false
+
 jobs:
   test:
     runs-on: ubuntu-latest

.gitea/workflows/deploy-ift.yml

@@ -5,6 +5,10 @@ on:
     branches: [master, main]
   workflow_dispatch:
 
+concurrency:
+  group: eventhub-back-${{ github.ref }}
+  cancel-in-progress: false
+
 env:
   REGISTRY: git.sabilin.com/eventhub