Set libpq path for pg_dump in fast_import

compute_tools/src/bin/fast_import.rs

@@ -172,6 +172,7 @@ pub(crate) async fn main() -> anyhow::Result<()> {
         .args(["-c", &format!("max_worker_processes={nproc}")])
         .args(["-c", "effective_io_concurrency=100"])
         .env_clear()
+        .env("LD_LIBRARY_PATH", "/usr/local/lib/")
         .stdout(std::process::Stdio::piped())
         .stderr(std::process::Stdio::piped())
         .spawn()
@@ -256,6 +257,7 @@ pub(crate) async fn main() -> anyhow::Result<()> {
             .arg(&source_connection_string)
             // how we run it
             .env_clear()
+            .env("LD_LIBRARY_PATH", "/usr/local/lib/")
             .kill_on_drop(true)
             .stdout(std::process::Stdio::piped())
             .stderr(std::process::Stdio::piped())
@@ -289,6 +291,7 @@ pub(crate) async fn main() -> anyhow::Result<()> {
             .arg(&dumpdir)
             // how we run it
             .env_clear()
+            .env("LD_LIBRARY_PATH", "/usr/local/lib/")
             .kill_on_drop(true)
             .stdout(std::process::Stdio::piped())
             .stderr(std::process::Stdio::piped())