gh-35671: Upgrade networkx to 3.1, igraph/python_igraph to 0.10.4 
    
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### 📚 Description

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https://networkx.org/documentation/stable/release/index.html; still
supports Python >= 3.8 (see #35404)
- https://networkx.org/documentation/stable/release/release_3.1.html
- https://networkx.org/documentation/stable/release/release_3.0.html

python_igraph still supports Python >= 3.7.
- https://igraph.org/2023/01/27/igraph-0.10.4-c.html
- https://igraph.org/2022/12/30/igraph-0.10.3-c.html

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- [ ] I have updated the documentation accordingly.

### ⌛ Dependencies

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- Depends on #35584

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URL: #35671
Reported by: Matthias Köppe
Reviewer(s): David Coudert

Author: Release Manager

build/pkgs/igraph/checksums.ini

@@ -1,5 +1,5 @@
 tarball=igraph-VERSION.tar.gz
-sha1=20587332f0f36d6d7eb3cca248e2dab76e1e58ad
-md5=af41eb9c614946c4a92a51834e9cab4a
-cksum=4011381306
+sha1=fc3c6627f889b13581b2b468e1b16aceff453cfc
+md5=10a3f325425970c75a7ba8359376e208
+cksum=3103730646
 upstream_url=https://github.com/igraph/igraph/releases/download/VERSION/igraph-VERSION.tar.gz

build/pkgs/igraph/package-version.txt

@@ -1 +1 @@
-0.10.2
+0.10.4

build/pkgs/networkx/checksums.ini

@@ -1,5 +1,5 @@
 tarball=networkx-VERSION.tar.gz
-sha1=40e981041664856ba473c9079006367ed0d0e71b
-md5=22139ab5a47818fa00cbaa91eb126381
-cksum=4201985987
+sha1=d4b1d6117b7c54db61f6cbec8f0ccfb0f7d47293
+md5=1a9baa93b7fd4470c80e29a7a6d93ccf
+cksum=1675580484
 upstream_url=https://pypi.io/packages/source/n/networkx/networkx-VERSION.tar.gz

build/pkgs/networkx/install-requires.txt

@@ -1,2 +1 @@
-# features removed in 3.0 listed in https://networkx.org/documentation/stable/developer/deprecations.html#version-3-0
-networkx >=2.4, <3.0
+networkx >=2.4, <3.2

build/pkgs/networkx/package-version.txt

@@ -1 +1 @@
-2.8.8
+3.1

build/pkgs/python_igraph/checksums.ini

@@ -1,5 +1,5 @@
 tarball=python-igraph-VERSION.tar.gz
-sha1=6a6bca77737ff501e97f808aa18a9045e86b3e3e
-md5=6951cc2e803118b74209ae21d54de38a
-cksum=650236223
+sha1=807a95ad4080d8eb500e7797325d6f11a5c46892
+md5=2ac3561dda7e7321789041261a29aba4
+cksum=754615899
 upstream_url=https://pypi.io/packages/source/i/igraph/igraph-VERSION.tar.gz

build/pkgs/python_igraph/package-version.txt

@@ -1 +1 @@
-0.10.2
+0.10.4