update to latest kondo and fix linting errors

Author: puredanger

deps.edn

@@ -5,7 +5,7 @@
  }
  :aliases {
    ;; clj -M:lint
-   :lint {:replace-deps {clj-kondo/clj-kondo {:mvn/version "2022.12.08"}}
+   :lint {:replace-deps {clj-kondo/clj-kondo {:mvn/version "2025.04.07"}}
           :main-opts ["-m" "clj-kondo.main" "--lint" "src/main/clojure" "--lint" "src/test/clojure"]}
 
    ;; clj -M:outdated

src/main/clojure/clojure/tools/deps/cli/api.clj

@@ -299,7 +299,7 @@
          :artifact-id (.getArtifactId model)
          :version (.getVersion model)
          :pom-file pom})
-      (throw (FileNotFoundException. (str "Pom file not found: " (str pom)))))))
+      (throw (FileNotFoundException. (str "Pom file not found: " pom))))))
 
 (defn- gen-pom-file
   [lib version classifier]

src/test/clojure/clojure/tools/deps/cli/test_api.clj

@@ -11,7 +11,7 @@
   (:import
     [java.io File]))
 
-(def ^:dynamic ^File *test-dir*)
+(def ^:dynamic ^File *test-dir* nil)
 
 (defmacro with-test-dir
   [& body]