ci(ananke): retry staticcheck installation

scripts/lint.sh

@@ -6,9 +6,28 @@ cd "${REPO_DIR}"
 export PATH="$(go env GOPATH)/bin:${PATH}"
 STATICCHECK_VERSION="${ANANKE_STATICCHECK_VERSION:-2025.1.1}"
 
+run_with_retry() {
+  local attempts="$1"
+  shift
+  local try=1
+  local delay=3
+  local rc=0
+  while true; do
+    "$@" && return 0
+    rc=$?
+    if [[ "${try}" -ge "${attempts}" ]]; then
+      return "${rc}"
+    fi
+    echo "[lint] retry ${try}/${attempts} after rc=${rc}: $*" >&2
+    sleep "${delay}"
+    delay=$((delay * 2))
+    try=$((try + 1))
+  done
+}
+
 if ! command -v staticcheck >/dev/null 2>&1 || ! staticcheck -version 2>/dev/null | grep -q "${STATICCHECK_VERSION}"; then
   echo "[lint] installing staticcheck ${STATICCHECK_VERSION}"
-  go install "honnef.co/go/tools/cmd/staticcheck@${STATICCHECK_VERSION}"
+  run_with_retry 4 go install "honnef.co/go/tools/cmd/staticcheck@${STATICCHECK_VERSION}"
 fi
 
 echo "[lint] go vet"