build(deps): Bump ikalnytskyi/action-setup-postgres from 5 to 6 (#1537)

* build(deps): Bump ikalnytskyi/action-setup-postgres from 5 to 6

Bumps [ikalnytskyi/action-setup-postgres](https://github.com/ikalnytskyi/action-setup-postgres) from 5 to 6.
- [Release notes](https://github.com/ikalnytskyi/action-setup-postgres/releases)
- [Commits](ikalnytskyi/action-setup-postgres@v5...v6)

---
updated-dependencies:
- dependency-name: ikalnytskyi/action-setup-postgres
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

* CI: Update GHA workflow

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Adrian Gallagher <adrian.gallagher@thrasher.io>

.github/workflows/tests.yml

@@ -40,7 +40,7 @@ jobs:
 
     - name: Setup Postgres
       if: matrix.psql == true
-      uses: ikalnytskyi/action-setup-postgres@v5
+      uses: ikalnytskyi/action-setup-postgres@v6
       with:
         database: gct_dev_ci
       id: postgres
@@ -74,9 +74,14 @@ jobs:
     - name: Additional steps for 386 architecture
       if: matrix.goarch == '386'
       run: |
-        echo "CGO_ENABLED=1" >> $GITHUB_ENV
         sudo apt-get update
-        sudo apt-get install gcc-multilib g++-multilib
+        sudo apt-get install -y gcc-multilib
+      shell: bash
+
+    - name: Set CGO_ENABLED for 386 and macos-latest
+      if: matrix.goarch == '386' || matrix.os == 'macos-latest'
+      run: |
+        echo "CGO_ENABLED=1" >> $GITHUB_ENV
       shell: bash
 
     - name: Test