fix: revert reqwest 0.12→0.11 and tree-sitter-python 0.25→0.23

reqwest 0.12 pulls in hyper 1.0 with massive dependency tree causing
200MB+ memory regression. tree-sitter-python 0.25 may also have
heavier parse tables. Revert to stable versions.

Author: H4D3ZS

src-tauri/Cargo.lock

@@ -40,7 +40,7 @@ tree-sitter = "0.26.9"
 tree-sitter-rust = "0.24.2"
 tree-sitter-typescript = "=0.23.0" # 0.23.2 parser.c fails MSVC 14.50 (C2099)
 tree-sitter-javascript = "0.23"
-tree-sitter-python = "0.25"
+tree-sitter-python = "0.23"
 tokio = { version = "1", features = ["rt-multi-thread", "macros", "sync", "io-util", "net", "time", "fs"] }
 walkdir = "2"
 tauri-plugin-dialog = "2"
@@ -49,7 +49,7 @@ tokio-util = { version = "0.7.10", features = ["codec"] }
 lsp-types = "0.94.1"
 axum = "0.7"
 anyhow = "1"
-reqwest = { version = "0.12", features = ["json", "stream"] }
+reqwest = { version = "0.11", features = ["json", "stream"] }
 ripgrep = "15.1.0"
 ripgrep-api = "0.2.0"
 sysinfo = "0.30"