Pins for package being built are appearing in .ci_support

[xylar]

Solution to issue cannot be found in the documentation.

• I checked the documentation.

Issue

In several feedstocks, we are seeing pins appearing for the very package we are trying to build. While there is no sign of negative consequences from this, it is pretty disconcerting. See:
https://github.com/conda-forge/gdal-feedstock/blob/e27382d79559f0379fdca851812ab119a9976f48/.ci_support/linux_64_.yaml#L59
https://github.com/conda-forge/tiledb-feedstock/blob/5d6fb47862f1eefbc78f880b36b9cec9d3c95148/.ci_support/linux_64_.yaml#L58

Installed packages

N/A

Environment info

N/A