Put check-chengelog in a separate workflow

So we don't get red badge when it fails.

.github/workflows/checks.yml

@@ -0,0 +1,29 @@
+name: Cheks
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+  merge_group:
+
+jobs:
+
+  check-changelogs:
+    name: changelogs
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash
+
+    steps:
+    - name: Install dependencies
+      run: sudo apt install -y fd-find
+
+    - uses: actions/checkout@v3
+
+    - name: git fetch
+      run: git fetch origin main:main
+
+    - name: Check changelogs
+      run: ./scripts/check-changelogs.sh
+

.github/workflows/haskell.yml

@@ -188,22 +188,3 @@ jobs:
       run: |
         ./scripts/check-stylish.sh
         git diff --exit-code
-
-  check-changelogs:
-    name: Check changelogs
-    runs-on: ubuntu-latest
-    defaults:
-      run:
-        shell: bash
-
-    steps:
-    - name: Install dependencies
-      run: sudo apt install -y fd-find
-
-    - uses: actions/checkout@v3
-
-    - name: git fetch
-      run: git fetch origin main:main
-
-    - name: Check changelogs
-      run: ./scripts/check-changelogs.sh