Updated dependencies; removed `pointer` analyzer as it panics in go 1.22; updated readme and gitignore

[Egor3f]

fixes https://github.com/ondrajz/go-callvis/issues/170

[tenax66]

Will this be merged? There are many issues regarding pointer analysis.

Since golang.org/x/tools/go/pointer has been deprecated, we should either remove it (as it is in this PR), or at least change the default analysis.

[starius]

Strong +1 for this PR! It fixed go-callvis crash in my project. I'm using Go 1.22

[mangoNisa]

+1 for the PR, im also using Go 1.22 and this fixed the error

[mztnnrt]

Also in my environment, this pr is correctly work, Thanks.

git clone https://github.com/ofabry/go-callvis.git
cd go-callvis

gh co 177 # checkout to this nice pull request.
make install

go-callvis .
2024/07/18 15:45:40 http serving at http://localhost:7878
2024/07/18 15:45:40 converting dot to svg..
2024/07/18 15:45:40 serving file: /var/folders/../../go-callvis_export.svg

[githoober]

Is there anyone besides @ondrajz who can merge this PR?