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* Fix rows_auto_resize in worksheet.py by removing redundant self by MagicMc23 in https://github.com/burnash/gspread/pull/1194
* Add deprecation warning for future release 6.0.x by lavigne958 in https://github.com/burnash/gspread/pull/1195
* FEATURE: show/hide gridlines (1197) by alifeee in https://github.com/burnash/gspread/pull/1202
* CLEANUP: cleanup tox.ini, and ignore ./env by alifeee in https://github.com/burnash/gspread/pull/1200
* Refactor/update-contributing-guide by alifeee in https://github.com/burnash/gspread/pull/1206
* Spelling fix (with legacy option) by alifeee in https://github.com/burnash/gspread/pull/1210
* 457-fetch-without-hidden-worksheets by alifeee in https://github.com/burnash/gspread/pull/1207
* Add_deprecated_warning_sort_method by lavigne958 in https://github.com/burnash/gspread/pull/1198
* Update (and test for) internal properties on change by alifeee in https://github.com/burnash/gspread/pull/1211
* Feature: Add "Remove tab colour" method by alifeee in https://github.com/burnash/gspread/pull/1199
* Refresh-test-cassettes by alifeee in https://github.com/burnash/gspread/pull/1217
* update self._properties after batch_update by alifeee in https://github.com/burnash/gspread/pull/1221
* 700-fill-merged-cells by alifeee in https://github.com/burnash/gspread/pull/1215
* Fix/update-internal-properties by alifeee in https://github.com/burnash/gspread/pull/1225
* Add breaking change warning in Worksheet.update() by lavigne958 in https://github.com/burnash/gspread/pull/1226
* Bump codespell from 2.2.4 to 2.2.5 by dependabot in https://github.com/burnash/gspread/pull/1232
* Add/refresh last update time by alifeee in https://github.com/burnash/gspread/pull/1233
* Update-build-tools by alifeee in https://github.com/burnash/gspread/pull/1231
* add read the doc configuration file by lavigne958 in https://github.com/burnash/gspread/pull/1235
* update licence year by alifeee in https://github.com/burnash/gspread/pull/1237
* remove deprecated methods from tests by alifeee in https://github.com/burnash/gspread/pull/1238