Release 3.12 prerequisite (#1056)

.github/workflows/tests.yml

@@ -103,7 +103,7 @@ jobs:
         with:
           path: perf_cache
           # If profiling result cache has incompatible format, increase this "v" number
-          key: "v11-${{ steps.calc.outputs.hash }}-${{ env.TEST_DATA_URL }}"
+          key: "v12-${{ steps.calc.outputs.hash }}-${{ env.TEST_DATA_URL }}"
 
       - name: Load test data into DB and run performance test
         id: main

openmaptiles.yaml

@@ -17,7 +17,7 @@ tileset:
     - layers/poi/poi.yaml
     - layers/aerodrome_label/aerodrome_label.yaml
   name: OpenMapTiles
-  version: 3.11.0
+  version: 3.12.0
   id: openmaptiles
   description: "A tileset showcasing all layers in OpenMapTiles. https://openmaptiles.org"
   attribution: '<a href="https://www.openmaptiles.org/" target="_blank">&copy; OpenMapTiles</a> <a href="https://www.openstreetmap.org/copyright" target="_blank">&copy; OpenStreetMap contributors</a>'