Update SwiftLint workflow to specify configuration file for linting sources and tests

Author: artemisia-absynthium

.github/workflows/swiftlint.yml

@@ -18,6 +18,6 @@ jobs:
     - name: Install SwiftLint
       run: brew install swiftlint
     - name: Lint Sources
-      run: swiftlint lint --strict --working-directory Sources
+      run: swiftlint lint --config ../.swiftlint.yml --strict --working-directory Sources
     - name: Lint Tests
-      run: swiftlint lint --strict --working-directory Tests
+      run: swiftlint lint --config ../.swiftlint.yml --strict --working-directory Tests