CI: fix Conda builds

Author: rouault

scripts/ci/conda/setup.sh

@@ -9,6 +9,6 @@ git clone https://github.com/conda-forge/proj.4-feedstock.git
 
 cd proj.4-feedstock
 
-yq -y -i '.source = {"path": "./../../PROJ"} | .build.number = 2112' recipe/recipe.yaml
+yq -y -i '.source = {"path": "../../../PROJ"} | .build.number = 2112' recipe/recipe.yaml
 
 ls recipe