no log: fix CI

.github/workflows/ci.yml

@@ -7,6 +7,7 @@ on:
       - frontend/**
       - bazarr/**
       - libs/**
+      - migrations/**
       - bazarr.py
       - requirements.txt
       - dev-requirements.txt
@@ -22,10 +23,18 @@ jobs:
   Frontend:
     runs-on: ubuntu-latest
     steps:
+      - name: Get source branch name
+        uses: haya14busa/action-cond@v1
+        id: branch_ref
+        with:
+          cond: ${{ github.event_name == 'pull_request' }}
+          if_true: ${{ github.head_ref }}
+          if_false: ${{ github.ref }}
+
       - name: Checkout repository
         uses: actions/checkout@v3
         with:
-          ref: ${{ github.ref }}
+          ref: ${{ steps.branch_ref.outputs.value }}
           fetch-depth: 1
 
       - name: Cache node_modules
@@ -74,10 +83,18 @@ jobs:
     needs: Frontend
 
     steps:
+      - name: Get source branch name
+        uses: haya14busa/action-cond@v1
+        id: branch_ref
+        with:
+          cond: ${{ github.event_name == 'pull_request' }}
+          if_true: ${{ github.head_ref }}
+          if_false: ${{ github.ref }}
+
       - name: Checkout repository
         uses: actions/checkout@v3
         with:
-          ref: ${{ github.ref }}
+          ref: ${{ steps.branch_ref.outputs.value }}
           fetch-depth: 1
 
       - name: Set up Python 3.8