deps: update base64 to 0.5.0

PR-URL: #45509
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Richard Lau <rlau@redhat.com>

deps/base64/base64/CMakeLists.txt

@@ -17,7 +17,7 @@ if (POLICY CMP0127)
     cmake_policy(SET CMP0127 NEW)
 endif()
 
-project(base64 LANGUAGES C VERSION 0.4.0)
+project(base64 LANGUAGES C VERSION 0.5.0)
 
 include(GNUInstallDirs)
 include(CMakeDependentOption)