Use Windows 2025 VS 2026 and bump libiconv to v1.19-1

Included Versions

Library	Version
libiconv	1.19-1
libxml2	2.11.9-3
libxslt	1.1.39
zlib	1.3.1
OpenSSL	3.5.6
xmlsec	1.3.11

Bump xmlsec to 1.3.11

The only change is upgrading xmlsec to 1.3.11.

Included Versions

Library	Version
libiconv	1.18-1
libxml2	2.11.9-3
libxslt	1.1.39
zlib	1.3.1
OpenSSL	3.5.6
xmlsec	1.3.11

Compatible with python-xmlsec-1.3.17 and xmlsec-1.3.10

This release updates the bundled Windows binaries with the following library versions:

• libiconv 1.18-1
• libxml2 2.11.9-3
• libxslt 1.1.39
• zlib 1.3.1
• OpenSSL 3.5.6
• xmlsec 1.3.10

Included Versions

Library	Version
libiconv	1.18-1
libxml2	2.11.9-3
libxslt	1.1.39
zlib	1.3.1
OpenSSL	3.5.6
xmlsec	1.3.10

Compatible with python-xmlsec-1.3.16

What's Changed

• Update libraries, support ARM, force OpenSSL backend by @TomiBelan in #4

Full Changelog: 2024.04.17...2025.07.10

Compatible with python-xmlsec-1.3.14

2024.04.17

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