Fix the macos ci + reenable the diesel test

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, macos-14, windows-2019]
+        os: [ubuntu-latest, macos-13, macos-14, windows-2019]
         features: [default, bundled, buildtime_bindgen]
     runs-on: ${{ matrix.os }}
     steps:
@@ -44,10 +44,10 @@ jobs:
           sudo service postgresql restart && sleep 3
 
       - name: Install postgres (MacOS)
-        if: matrix.os == 'macos-latest' && matrix.features != 'bundled'
+        if: matrix.os == 'macos-13' && matrix.features != 'bundled'
         run: |
-          initdb -D /usr/local/var/postgres
-          pg_ctl -D /usr/local/var/postgres start
+          brew install postgresql
+          brew services start postgresql@14
           sleep 3
           createuser -s postgres
 
@@ -95,7 +95,7 @@ jobs:
           cargo new test_diesel
           cd test_diesel
           echo "[workspace]" >> Cargo.toml
-          cargo add diesel --no-default-features --features "postgres"
+          cargo add diesel --no-default-features --features "postgres" --git "https://github.com/diesel-rs/diesel" --branch master
           cargo add pq-sys
           echo "[patch.crates-io]" >> Cargo.toml
           echo "pq-sys = { path = \"..\" }" >> Cargo.toml