pex 2.6.0

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2.6.0

This release adds support for PEP-723 script metadata in --exes. For such
a script with metadata describing its dependencies or Python version
requirements, running the script is as simple as
pex --exe <script> -- <script args> and building a PEX encapsulating
it as simple as pex --exe <script> --output <PEX file>.

• Add support for PEP-723 script metadata to --exe. (#2436)