Add IDF v5.5. to cron

Author: me-no-dev

.github/workflows/cron.yml

@@ -41,3 +41,6 @@ jobs:
           - idf_branch: "release/v5.4"
             lib_builder_branch: "release/v5.4"
             targets: "esp32,esp32s2,esp32s3,esp32c3,esp32c6,esp32h2,esp32p4"
+          - idf_branch: "master"
+            lib_builder_branch: "release/v5.5"
+            targets: "esp32,esp32s2,esp32s3,esp32c3,esp32c6,esp32h2,esp32p4,esp32c5"