Close out migration for proj97

Author: regro-cf-autotick-bot

recipe/conda_build_config.yaml

@@ -827,7 +827,7 @@ postgresql:
 postgresql_plpython:
   - '17'
 proj:
-  - '9.6'
+  - '9.7'
 pulseaudio:
   - '17.0'
 pulseaudio_client: