Match only first pgrx in toml file

.github/workflows/lint-and-test.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Install Postgres
         run: sudo ./.ci/apt-install-postgres ${{ env.PGVERSION }}
       - name: Install pgrx
-        run: cargo install cargo-pgrx --locked --version "$(perl -ne 'print $1 if /^pgrx\s+=\s"=?([^"]+)/' Cargo.toml)"
+        run: cargo install cargo-pgrx --locked --version "$(perl -ne '/^pgrx\s+=\s"=?([^"]+)/ && do { print $1; exit }' Cargo.toml)"
       - name: Initialize pgrx
         run: cargo pgrx init --pg${{ env.PGVERSION }}="$(which pg_config)"
       - name: Cargo format
@@ -37,7 +37,8 @@ jobs:
         os: [[🐧, Ubuntu]] # [🍎, macOS], [🪟, Windows]]
     name: 🐘 Postgres ${{ matrix.pg }} on ${{ matrix.os[0] }} ${{ matrix.os[1] }}
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout
+        uses: actions/checkout@v4
       - name: Setup Rust Toolchain
         uses: dtolnay/rust-toolchain@stable
       - name: Install Postgres ${{ matrix.pg }}
@@ -47,7 +48,7 @@ jobs:
         with: { cache-directories: /home/runner/.pgrx }
       - run: env
       - name: Install pgrx
-        run: cargo install cargo-pgrx --locked --version "$(perl -ne 'print $1 if /^pgrx\s+=\s"=?([^"]+)/' Cargo.toml)"
+        run: cargo install cargo-pgrx --locked --version "$(perl -ne '/^pgrx\s+=\s"=?([^"]+)/ && do { print $1; exit }' Cargo.toml)"
       - name: Initialize pgrx
         run: cargo pgrx init --pg${{ matrix.pg }}="$(which pg_config)"
       - name: Run the tests