Update config.json

The presence of `projection_dim` is required but missing in the current implementation. Consequently, the utilization of `CLIPVisionModelWithProjection` and `CLIPTextModelWithProjection` is currently unavailable.

config.json

@@ -88,7 +88,8 @@
     "hidden_size": 1280,
     "intermediate_size": 5120,
     "num_attention_heads": 20,
-    "num_hidden_layers": 32
+    "num_hidden_layers": 32,
+    "projection_dim": 1280
   },
   "torch_dtype": "float32",
   "transformers_version": null,
@@ -175,6 +176,6 @@
     "intermediate_size": 8192,
     "num_attention_heads": 16,
     "num_hidden_layers": 48,
-    "patch_size": 14
-  }
+    "patch_size": 14,
+    "projection_dim": 1280
 }