fix: add a step that installs swiftlint

Author: mikhailChelbaev

.github/workflows/swiftlint.yml

@@ -1,9 +1,6 @@
 name: SwiftLint
 
 on:
-  push:
-    branches:
-      - '**' # Run on all branches
   pull_request:
     branches:
       - '**' # Run on all branches for PRs
@@ -17,8 +14,12 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v3
 
-      # Step 2: Run SwiftLint and parse errors
-      - name: Lint
+      # Step 2: Install SwiftLint
+      - name: Install SwiftLint
+        run: brew install swiftlint
+
+      # Step 3: Run SwiftLint and parse errors
+      - name: Run SwiftLint
         run: |
           set -o pipefail
           swiftlint lint --strict --quiet | sed -E 's/^(.*):([0-9]+):([0-9]+): (warning|error|[^:]+): (.*)/::\4 title=Lint error,file=\1,line=\2,col=\3::\5\n\1:\2:\3/'