Merge pull request #459 from SamR1/drop-pgsql11-support

Drop PostgreSQL 11 support

.github/workflows/.tests-python.yml

@@ -77,7 +77,7 @@ jobs:
           --health-retries 5
     strategy:
       matrix:
-        psql-version:  [ "11", "12", "13", "14", "16" ]
+        psql-version:  [ "12", "13", "14", "16" ]
     steps:
       - uses: actions/checkout@v3
       - name: Install Poetry and Dependencies

docsrc/source/installation.rst

@@ -23,7 +23,7 @@ Prerequisites
 
 - mandatory
     - Python >= 3.8.1
-    - PostgreSQL 11+
+    - PostgreSQL 12+
 - optional
     - Redis for task queue (if email sending is enabled and for data export requests) and API rate limits
     - SMTP provider (if email sending is enabled)