add err output when server failed to start

in same time than the port was opened.
Rename function into `wait_for_server` according.

Cargo.toml

@@ -1,31 +1,31 @@
 [package]
 name = "grammalecte_client"
-version = "0.1.5"
+version = "0.1.4"
 edition = "2021"
 authors = ["Pierre Hubert <pierre.git@communiquons.org>"]
 description = "Grammalecte HTTP client"
 license = "MIT"
 repository = "https://gitea.communiquons.org/pierre/GrammalecteClient"
-keywords = ["grammalecte", "spell-check", "spellcheck"]
+keywords = ["grammalecte", "spell-check"]
 readme = "README.md"
 categories = ["text-processing"]
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-serde_json = "1.0.140"
-reqwest = { version = "0.12.15", features = ["json"] }
-serde = { version = "1.0.219", features = ["derive"] }
-log = "0.4.27"
-zip = { version = "2.6.1", optional = true }
-mktemp = { version = "0.5.1", optional = true }
-rand = { version = "0.9.0", optional = true }
+serde_json = "1.0.96"
+reqwest = { version = "0.12.4", features = ["json"] }
+serde = { version = "1.0.163", features = ["derive"] }
+log = "0.4.17"
+zip = { version = "2.1.3", optional = true }
+mktemp = { version = "0.5.0", optional = true }
+rand = { version = "0.8.5", optional = true }
 port_scanner = { version = "0.1.5", optional = true }
-thiserror = "2.0.12"
+thiserror = "1.0.61"
 
 [features]
 embedded-server = ["zip", "mktemp", "rand", "port_scanner"]
 
 [dev-dependencies]
-env_logger = "0.11.8"
-tokio = { version = "1.44.1", features = ["full"] }
+env_logger = "0.11.3"
+tokio = { version = "1.28.1", features = ["full"] }

renovate.json

@@ -1,3 +0,0 @@
-{
-  "extends": ["local>renovate/presets"]
-}