fix: Set the macOS runner in the CI to use macOS 13 (#194)

* Pin macOS version to 13

* Change branch to trigger CI workflow

* Build on macOS 14

* Build on macOS 14 ARM

* Revert "Build on macOS 14"

This reverts commit b1311f0.

* Revert change to branches

Author: fm7-1

.github/workflows/build.yml

@@ -16,7 +16,7 @@ concurrency:
 jobs:
   generate-matrix:
     name: "Generate matrix from cabal"
-    outputs: 
+    outputs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
     runs-on: ubuntu-latest
     steps:
@@ -26,7 +26,7 @@ jobs:
         with:
           cabal-file: dotenv.cabal
           ubuntu-version: latest
-          macos-version: latest
+          macos-version: 13
           version: 0.1.7.0
 
   build-and-test: