Merge pull request #233 from invenia/ed/postgresql-13-tests

Update tested PostgreSQL versions to Supported Versions

Author: iamed2

.github/workflows/CI.yml

@@ -45,6 +45,10 @@ jobs:
             arch: x64
             postgresql-version: latest
           # Add older supported PostgreSQL Versions
+          - os: ubuntu-latest
+            version: 1
+            arch: x64
+            postgresql-version: '13'
           - os: ubuntu-latest
             version: 1
             arch: x64
@@ -61,10 +65,6 @@ jobs:
             version: 1
             arch: x64
             postgresql-version: '9.6'
-          - os: ubuntu-latest
-            version: 1
-            arch: x64
-            postgresql-version: '9.5'
     steps:
       - uses: actions/checkout@v2
       - uses: julia-actions/setup-julia@v1