* ci: free up disk space (PyPSA#1920)

* fill cost values with defaults after merging custom costs (PyPSA#1911)

* chore: set ptes.dynamic_capacity default to false (PyPSA#1924)

* flip sector:district_heating:ptes:dynamic_capacity:true to false

* update release notes

* add pixi files and data folder to .sync-send (PyPSA#1923)

* Bugfix load shedding scaling (PyPSA#1908)

* Fix bugs by (i) removing sign argument and (ii) using isinstance

* Remove todo and color and nice_name assignment.

* Add release notes.

* Change p_nom_extendable=True to p_nom=np.inf

* Updated doctables for load_shedding

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

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Co-authored-by: Lukas Trippe <[email protected]>
Co-authored-by: Martha Frysztacki <[email protected]>
Co-authored-by: Amos Schledorn <[email protected]>
Co-authored-by: Fabian Neumann <[email protected]>
Co-authored-by: jonathan-peel <[email protected]>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>