fix bugs in package data regeneration for ManyAnalysts manuscript

[egouldo]

• Increment version number to 2.7.5.9000
• bug: fix threshold checking for multivariate model fitting mixed_model still present as predictor in blue tit multivariate models WHY #147
• docs: rearrange headings in NEWS.md
• bug: ensure outlier subset creation occurs on all exclusion_set values in Zr Ensure outlier removal is also run on exclusion_set == "partial" #144
• bug: exclude analysis with non-count-based dependent variable from yi analysis exclude analysis from euc yi meta-analysis #145
• feat: ensure extreme SE values excluded prior to meta-analysis of logged yi vals #146 add function for excluding extreme estimates based on a multiplier threshold for population parameter estimates
• fix typo ensure extreme SE values excluded prior to meta-analysis of logged yi vals #146
• docs!: ensure extreme SE values excluded prior to meta-analysis of logged yi vals #146 devtools::document()
• bug: ensure extreme SE values excluded prior to meta-analysis of logged yi vals #146 export function
• build!: ensure extreme SE values excluded prior to meta-analysis of logged yi vals #146 apply exclusion function to Eucalyptus dataset in targets pipeline
• ensure extreme SE values excluded prior to meta-analysis of logged yi vals #146 increment dev version and news before rebuilding package and targets pipeline
• - build!: don't forget to filter the corresponding diversity data after exclusions!
• - build!: fix ensure extreme SE values excluded prior to meta-analysis of logged yi vals #146 regenerate yi data after excluding extreme values
• Increment version number to 2.7.6