Deprecated function in `network()`

[evaham1]

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🐞 Describe the bug:

Warning when run unit tests for the network() function:

Warning (test-network.R:13:3): network works for rcc
`layout.fruchterman.reingold()` was deprecated in igraph 2.1.0.
ℹ Please use `layout_with_fr()` instead.
Backtrace:
    ▆
 1. └─mixOmics::network(...) at test-network.R:13:3
 2.   └─igraph::layout.fruchterman.reingold(gR, weights = (1 - abs(E(gR)$weight))) at mixOmics/R/network.R:1052:9

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🔍 reprex results from reproducible example including sessioninfo():

Run devtools::test() on mixOmics package

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🤔 Expected behavior:

No warnings

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💡 Possible solution:

Check latest igraph and update from layout.fruchterman.reingold() to layout_with_fr(), check functionality is still the same using unit tests