Merge branch 'ci/disable_flash_mmap_test_on_c6' into 'master'

flash_mmap: disable test on c6

See merge request espressif/esp-idf!20897

components/spi_flash/.build-test-rules.yml

@@ -16,3 +16,9 @@ components/spi_flash/test_apps/flash_encryption:
     - if: IDF_TARGET in ["esp32c2", "esp32s2"]
       temporary: true
       reason: No runners # IDF-5634
+
+components/spi_flash/test_apps/flash_mmap:
+  disable:
+    - if: IDF_TARGET == "esp32c6"
+      temporary: true
+      reason: target esp32c6 is not supported yet