update stac-fastapi-pgstac to 4.0

Author: hrodmn

lib/stac-api/runtime/requirements.txt

@@ -1,7 +1,2 @@
-stac-fastapi.api==2.4.8
-stac-fastapi.extensions==2.4.8
-stac-fastapi.pgstac==2.4.8
-stac-fastapi.types==2.4.8
-# https://github.com/stac-utils/stac-fastapi/pull/466
-pygeoif==0.7
-starlette_cramjam
+stac-fastapi-pgstac>=4.0.2,<4.1
+starlette-cramjam>=0.4,<0.5