ParallelIO 2.6.0

This release supports the netcdf integration layer using Dispatch version 5. We recommend netcdf-c v4.9.2 or newer to take advantage of this feature.

We have also added API's for netcdf4/hdf5 filters. These provide a full set of lossless and lossy compression techniques.

What's Changed

• squash commit of external_actions by @jedwards4b in #1951
• replace master with main by @jedwards4b in #1952
• Update README.md by @jedwards4b in #1962
• netcdf integration update by @jedwards4b in #1953
• update version by @jedwards4b in #1963

Full Changelog: pio2_5_10...pio2_6_0