Weekly build fixes (#22699)

* CI: use CMAKE_ARGS for weekly builds.
* CI: set CC and CXX for windows weekly build.
* CMake: add OCCT libraries path to CMakePresets.json.
* CI: synchronize CMake config for weekly-build with FreeCAD-Bundle.
* CI: fix path to OCCT in weekly-builds.

---------

Co-authored-by: Chris Hennes <chennes@pioneerlibrarysystem.org>

CMakePresets.json

@@ -149,6 +149,10 @@
           "OCC_INCLUDE_DIR": {
             "type": "FILEPATH",
             "value": "$env{CONDA_PREFIX}/include/opencascade"
+          },
+          "OCC_LIBRARY_DIR": {
+            "type": "FILEPATH",
+            "value": "$env{CONDA_PREFIX}/lib"
           }
         }
       },
@@ -176,6 +180,10 @@
           "OCC_INCLUDE_DIR": {
             "type": "FILEPATH",
             "value": "$env{CONDA_PREFIX}/include/opencascade"
+          },
+          "OCC_LIBRARY_DIR": {
+            "type": "FILEPATH",
+            "value": "$env{CONDA_PREFIX}/lib"
           }
         }
       },
@@ -199,6 +207,10 @@
           "OCC_INCLUDE_DIR": {
             "type": "FILEPATH",
             "value": "$env{CONDA_PREFIX}/Library/include/opencascade"
+          },
+          "OCC_LIBRARY_DIR": {
+            "type": "FILEPATH",
+            "value": "$env{CONDA_PREFIX}/Library/lib"
           }
         }
       },