Bump version to v1.3.0, delete unused root package

Cargo.toml

@@ -1,10 +1,5 @@
-[package]
-name = "rc-servers"
-version.workspace = true
-edition.workspace = true
-
 [workspace.package]
-version = "1.2.2"
+version = "1.3.0"
 edition = "2024"
 repository = "https://git.ngram.ca/OpenJam/rc-servers"
 license = "GPL-3.0-only"
@@ -28,6 +23,7 @@ members = [
     "rc_plugins",
     "rc_society",
 ]
+resolver = "3"
 
 [workspace.dependencies]
 actix-web = { version = "4", default-features = false, features = [ "macros", "compress-brotli", "compress-gzip", "compress-zstd", "ws"] }