Properly set SQLite version

This was broken in #796

Author: Steelskin

.github/workflows/build-toolchain.yml

@@ -203,7 +203,6 @@ jobs:
           swift_syntax_revision=refs/tags/${{ inputs.swift_tag }}
           swift_system_revision=refs/tags/1.3.0
           swift_toolchain_sqlite_revision=refs/tags/main
-          swift_toolchain_sqlite_version=3.46.0
           swift_tools_support_core_revision=refs/tags/${{ inputs.swift_tag }}
           curl_revision=refs/tags/curl-8_5_0
           libxml2_revision=refs/tags/v2.11.5
@@ -222,6 +221,8 @@ jobs:
             repo manifest -r --suppress-upstream-revision --suppress-dest-branch -o - | sed -E 's,[[:space:]]+$,,' > stable.xml
           fi
 
+          echo swift_toolchain_sqlite_version=3.46.0 >> ${GITHUB_OUTPUT}
+
           # FIXME(z2oh): Remove /D_DISABLE_CONSTEXPR_MUTEX_CONSTRUCTOR when GitHub runner image updates to 20240610.1.
           #  see: https://github.com/actions/runner-images/issues/10004
           if [[ "${{ github.event_name }}" == "schedule" || "${{ inputs.debug_info }}" == "true" ]]; then