* Bump versions on master branch to 3.11

* Try to fix CI by setting cabal-testsuite stable Cabal version to 3.8 back again

* Update bootstrap configuration

* Work around bounds problem with cabal-install-parsers

* Update bootstrap files

* Try to update the Custom setup cabal to 3.10 according to Artem's suggestion

* CI: cabal-3.10 compat: actions/cache has to go before cabal update

* Fix failing old GHC CI builds by adding XDG's ~/.local/bin to GITHUB_PATH

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Co-authored-by: Artem Pelenitsyn <a.pelenitsyn@gmail.com>