Fix crates.io polling: add User-Agent header to avoid 403

Author: setoelkahfi

.github/workflows/release-sdk-gem.yml

@@ -68,7 +68,7 @@ jobs:
         run: |
           for crate_name in smbcloud-auth-sdk smbcloud-model smbcloud-network; do
             for attempt in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
-              if curl -fsS "https://crates.io/api/v1/crates/${crate_name}/${RELEASE_VERSION}" >/dev/null 2>&1; then
+              if curl -fsS -H "User-Agent: smbcloud-cli-release" "https://crates.io/api/v1/crates/${crate_name}/${RELEASE_VERSION}" >/dev/null 2>&1; then
                 echo "${crate_name} ${RELEASE_VERSION} is available on crates.io"
                 break
               fi