Fix CI configuration for PG 16

In fbc1fbb PG 16 was enabled in the CI.
However, PG16 was not added to PG_LATEST. Jobs that try to modify the
build matrix (e.g., the Sanitizer) fail since they can not find an
entry for PG 16. This patch fixes the build configuration.

.github/ci_settings.py

@@ -26,4 +26,4 @@
 PG16_LATEST = "16.0"
 PG16_ABI_MIN = "16.0"
 
-PG_LATEST = [PG13_LATEST, PG14_LATEST, PG15_LATEST]
+PG_LATEST = [PG13_LATEST, PG14_LATEST, PG15_LATEST, PG16_LATEST]

.github/workflows/update-test.yaml

@@ -24,6 +24,9 @@ jobs:
     strategy:
       matrix:
         pg: ${{ fromJson(needs.config.outputs.pg_latest) }}
+        # Should be removed after the first version for PG 16 is released
+        exclude:
+          - pg: "16.0"
       fail-fast: false
     env:
       PG_VERSION: ${{ matrix.pg }}
@@ -56,6 +59,9 @@ jobs:
     strategy:
       matrix:
         pg: ${{ fromJson(needs.config.outputs.pg_latest) }}
+        # Should be removed after the first version for PG 16 is released
+        exclude:
+          - pg: "16.0"
       fail-fast: false
     env:
       PG_VERSION: ${{ matrix.pg }}