Merge pull request #1065 from godot-rust/dependabot/cargo/proc-macro-…

…crate-3

Update proc-macro-crate requirement from 2 to 3

gdnative-derive/Cargo.toml

@@ -18,7 +18,7 @@ proc-macro = true
 syn = { version = "1.0.84", features = ["full", "extra-traits", "visit"] }
 quote = "1"
 proc-macro2 = "1"
-proc-macro-crate = "2"
+proc-macro-crate = "3"
 
 [dev-dependencies]
 # This is included for the doc tests.