hatyan: tidal analysis and prediction

• 59 update devenv to match hmc env by @veenstrajelmer in https://github.com/Deltares/hatyan/pull/68
• 69 ensure installationpytests with environments work as expected by @veenstrajelmer in https://github.com/Deltares/hatyan/pull/72
• 71 fix devenv locally and in GitHub workflow by @veenstrajelmer in https://github.com/Deltares/hatyan/pull/77
• 78 fix unnoticed failing example scripts by @veenstrajelmer in https://github.com/Deltares/hatyan/pull/79
• updated dependencies (incl xarray), added environment_hmc.yml and updated pytest dev git action
• updated (modernized) packaging files
• moved example code from readme to notebook
• set xTxmat_condition_max from 10 to 12, since HOEKVHLD 2006 had condition of 11.5
• added KWK functions (incl LAT)
• fixed pandas append deprecation warning
• moved from analysis_peryear and analysis_permonth to analysis_perperiod
• added xtrack and fes2014b constituent list
• added shallow water components 2MK2, M(SK)2, M(KS)2. Added harmonic components S3, M!M, MSTM from tugo (provided by Henrique Guarneri)
• introduced extra component OQ2_tugo
• corrected nodal factor for MSQM based on tugo/HG

Full Changelog: https://github.com/Deltares/hatyan/compare/v2.5.64...v2.6.0