fix: workaround soci's overly zealous boost

.github/workflows/xahau-ga-macos.yml

@@ -91,7 +91,6 @@ jobs:
         run: |
           conan profile new default --detect || true # Ignore error if profile exists
           conan profile update settings.compiler.cppstd=20 default
-          conan profile update 'conf.tools.build:cxxflags+=["-DBOOST_ASIO_DISABLE_CONCEPTS"]' default
 
       - name: Install dependencies
         uses: ./.github/actions/xahau-ga-dependencies

.github/workflows/xahau-ga-nix.yml

@@ -2,7 +2,7 @@ name: Nix - GA Runner
 
 on:
   push:
-    branches: ["dev", "candidate", "release"]
+    branches: ["dev", "candidate", "release", "nd-link-to-boost-2025-06-27"]
   pull_request:
     branches: ["dev", "candidate", "release"]
 

external/soci/conanfile.py

@@ -154,7 +154,7 @@ class SociConan(ConanFile):
         self.cpp_info.components["soci_core"].set_property("cmake_target_name", "SOCI::soci_core{}".format(target_suffix))
         self.cpp_info.components["soci_core"].libs = ["{}soci_core{}".format(lib_prefix, lib_suffix)]
         if self.options.with_boost:
-            self.cpp_info.components["soci_core"].requires.append("boost::boost")
+            self.cpp_info.components["soci_core"].requires.append("boost::headers")
 
         # soci_empty
         if self.options.empty: