Update TextureParameter* error for incompatible texture targets

The OpenGL 4.6 specs have been updated so that GetTextureParameter*
with a texture object with an incompatible TEXTURE_TARGET should now
report INVALID_OPERATION instead of INVALID_ENUM.

Fixes:
KHR-GL45.direct_state_access.textures_parameter_errors

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

src/mesa/main/texparam.c

@@ -174,7 +174,7 @@ get_texobj_by_name(struct gl_context *ctx, GLuint texture, const char *name)
    case GL_TEXTURE_RECTANGLE:
       return texObj;
    default:
-      _mesa_error(ctx, GL_INVALID_ENUM, "%s(target)", name);
+      _mesa_error(ctx, GL_INVALID_OPERATION, "%s(target)", name);
       return NULL;
    }