attempt to improve the ps1 script

Author: aignas

python/uv/private/lock.ps1

@@ -1,8 +1,8 @@
-$out=replace
+$out="{{src_out}}"
 if [[ -n "$env:BUILD_WORKSPACE_DIRECTORY" ]]; then
     $out="$env:BUILD_WORKSPACE_DIRECTORY\$out"
 else
-    Copy-Item "$out" "bazel_out"
-    out="bazel_out"
+    Copy-Item "$out" "{{bazel_out}}"
+    out="{{bazel_out}}"
 fi
-& uv pip compile --output-file "$out" $args
+& "{{uv}}" pip compile "{{args}}" --output-file "$out" $args