Fix make-release-lib.ps1 to install curl and nlohmann-json in classic mode. The repo now has a vcpkg.json manifest, which made the plain install command fail because manifest mode rejects individual package arguments. The --classic flag installs them into the shared tree the merge step reads from.

Author: meta-legend

tools/make-release-lib.ps1

@@ -53,7 +53,10 @@ if (-not $cmakeExe) {
 if (-not $cmakeExe) { throw "cmake.exe not found." }
 
 Write-Host "[1/4] Installing static-md curl + nlohmann-json via vcpkg..."
-& "$VcpkgRoot\vcpkg.exe" install "curl:$Triplet" "nlohmann-json:$Triplet" | Out-Host
+# --classic forces classic mode so these specific packages install into the shared
+# installed tree even though this repo has a vcpkg.json manifest. The merge step below
+# reads libcurl and zlib from that tree.
+& "$VcpkgRoot\vcpkg.exe" install "curl:$Triplet" "nlohmann-json:$Triplet" --classic | Out-Host
 
 # ---- build Release and Debug with CMake (Visual Studio generator, MSVC) -----
 function Build-Config([string]$cfg) {