Use igraph/C 0.10

[krlmlr]

In 32-bit mode, without changes to the internal data structure.

• Build system adapted, https://github.com/search?q=org%3Acran+cmake+path%3A**%2FDESCRIPTION&type=code
• Compiles without error on your machine
• pkgload::load_all() works on your machine
• Compiles without warnings on your machine
• Compiles without error on my machine
• pkgload::load_all() works on my machine
• Compiles without warnings on my machine
• Compiles without error on CI/CD
• make_ring(3) works
• All tests pass

Needs #752.

[szhorvat]

In addition to using 32-bit igraph_integer_t, we must also switch igraph_bool_t to 32-bit to match R's requirements. See here:

https://github.com/igraph/igraph/blob/master/include/igraph_config.h.in#L41

In 0.9 and earlier, igraph_bool_t was an int to match R, but in 0.10 it was made a bool.

[github-actions]

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