fix(deps): update rust crate pulldown-cmark to 0.12

Author: renovate[bot]

Cargo.lock

@@ -62,7 +62,7 @@ openssl = { version = "0.10", optional = true }
 opentelemetry = { workspace = true, optional = true }
 opentelemetry-otlp = { workspace = true, optional = true }
 opentelemetry_sdk = { workspace = true, optional = true }
-pulldown-cmark = { version = "0.11", default-features = false }
+pulldown-cmark = { version = "0.12", default-features = false }
 rand = "0.8"
 regex = "1"
 remove_dir_all = { version = "0.8.1", features = ["parallel"] }