derive: bump proc-macro2 dependency to fix -Z minimal-versions

Author: decathorpe

dxr/Cargo.toml

@@ -18,13 +18,15 @@ path = "tests/derive.rs"
 required-features = ["derive", "i8", "nil"]
 
 [dependencies]
-dxr_derive = { workspace = true, optional = true }
 base64 = "0.22"
 quick-xml = { version = "0.37", features = ["serialize"] }
 serde = { version = "1.0.104", features = ["derive"] }
 thiserror = "1.0.30"
 winnow = "0.7"
 
+# optional derive macro support
+dxr_derive = { workspace = true, optional = true }
+
 # optional datetime crate integrations
 chrono = { version = "0.4", features = ["std"], default-features = false, optional = true }
 jiff = { version = "0.2", default-features = false, optional = true }

dxr_derive/Cargo.toml

@@ -14,7 +14,7 @@ repository.workspace = true
 proc-macro = true
 
 [dependencies]
-proc-macro2 = "1.0.36"
+proc-macro2 = "1.0.60"
 proc-macro-crate = "3.1.0"
 syn = "2.0"
 quote = "1.0.15"