Set Godot default version to 4.2

Also update since_api/before_api generation.

Author: Bromeon

godot-bindings/Cargo.toml

@@ -18,7 +18,7 @@ custom-godot = ["dep:bindgen", "dep:regex", "dep:which"]
 custom-godot-extheader = []
 
 [dependencies]
-godot4-prebuilt = { optional = true, git = "https://github.com/godot-rust/godot4-prebuilt", branch = "4.1.1" }
+godot4-prebuilt = { optional = true, git = "https://github.com/godot-rust/godot4-prebuilt", branch = "4.2" }
 
 # Version >= 1.5.5 for security: https://blog.rust-lang.org/2022/03/08/cve-2022-24713.html
 # 'unicode-gencat' needed for \d, see: https://docs.rs/regex/1.5.5/regex/#unicode-features

godot-bindings/src/lib.rs

@@ -124,6 +124,8 @@ pub use prebuilt::*;
 // ----------------------------------------------------------------------------------------------------------------------------------------------
 // Common
 
+const NEXT_MINOR_VERSION: u8 = 3;
+
 pub fn clear_dir(dir: &Path, watch: &mut StopWatch) {
     if dir.exists() {
         std::fs::remove_dir_all(dir).unwrap_or_else(|e| panic!("failed to delete dir: {e}"));
@@ -141,7 +143,7 @@ pub fn emit_godot_version_cfg() {
     } = get_godot_version();
 
     // Start at 1; checking for "since/before 4.0" makes no sense
-    let max = 2;
+    let max = NEXT_MINOR_VERSION;
     for m in 1..=minor {
         println!(r#"cargo:rustc-cfg=since_api="{major}.{m}""#);
     }