fix(deps): update rust crate lopdf to 0.43

Author: renovate[bot]

Cargo.lock

@@ -43,7 +43,7 @@ regex = "1"
 zip = { version = "8", optional = true }
 rusqlite = { version = "0.39", features = ["bundled"], optional = true }
 markdown2pdf = { version = "1.5", optional = true }
-lopdf = { version = "0.42", optional = true }
+lopdf = { version = "0.43", optional = true }
 pdf-extract = { version = "0.12.0", optional = true }
 
 [features]