Upgrade libiconv to 1.19 for both Windows and Linux

Author: mxamin

.github/workflows/cache_libs.yml

@@ -4,7 +4,7 @@ on:
   workflow_call:
     inputs:
       LIBICONV_VERSION:
-        default: "1.18"
+        default: "1.19"
         required: false
         type: string
       LIBXML2_VERSION:
@@ -28,7 +28,7 @@ on:
         required: false
         type: string
       WIN_LIBICONV_VERSION:
-        default: "1.18-1"
+        default: "1.19-1"
         required: false
         type: string
       WIN_LIBXML2_VERSION:

build_support/lib_xmlsec_dependency_builder.py

@@ -36,7 +36,7 @@ def triplet(self) -> str:
 
 
 class LibXmlsecDependencyBuilder:
-    WINDOWS_LIBS_DOWNLOAD_RELEASE_URL = 'https://github.com/mxamin/python-xmlsec-win-binaries/releases/download/2026.04.28/'
+    WINDOWS_LIBS_DOWNLOAD_RELEASE_URL = 'https://github.com/mxamin/python-xmlsec-win-binaries/releases/download/2026.05.18/'
     LIB_VERSION_ENV_VARS: ClassVar[dict[str, str]] = {
         'libiconv_version': 'PYXMLSEC_LIBICONV_VERSION',
         'libxml2_version': 'PYXMLSEC_LIBXML2_VERSION',
@@ -46,15 +46,15 @@ class LibXmlsecDependencyBuilder:
         'zlib_version': 'PYXMLSEC_ZLIB_VERSION',
     }
     UNIX_DEFAULT_LIB_VERSIONS: ClassVar[dict[str, str]] = {
-        'libiconv_version': '1.18',
+        'libiconv_version': '1.19',
         'libxml2_version': '2.14.6',  # Make sure it matches with lxml
         'libxslt_version': '1.1.43',
         'openssl_version': '3.6.0',
         'xmlsec1_version': '1.3.11',
         'zlib_version': '1.3.1',
     }
     WINDOWS_DEFAULT_LIB_VERSIONS: ClassVar[dict[str, str]] = {
-        'libiconv_version': '1.18-1',
+        'libiconv_version': '1.19-1',
         'libxml2_version': '2.11.9-3',  # Make sure it matches with lxml
         'libxslt_version': '1.1.39',
         'openssl_version': '3.5.6',