spectest/nuttx: Increase stack size of iwasm task (#2082)

Author: no1wudi

.github/workflows/spec_test_on_nuttx.yml

@@ -101,7 +101,7 @@ jobs:
 
       - name: Enable WAMR for NuttX
         run: |
-          find nuttx/boards -name defconfig | xargs sed -i '$a\CONFIG_INTERPRETERS_WAMR=y\nCONFIG_INTERPRETERS_WAMR_AOT=y\nCONFIG_INTERPRETERS_WAMR_FAST=y\nCONFIG_INTERPRETERS_WAMR_LOG=y\nCONFIG_INTERPRETERS_WAMR_LIBC_BUILTIN=y\nCONFIG_INTERPRETERS_WAMR_REF_TYPES=y\nCONFIG_INTERPRETERS_WAMR_ENABLE_SPEC_TEST=y\nCONFIG_INTERPRETERS_WAMR_SHARED_MEMORY=y\nCONFIG_INTERPRETERS_WAMR_BULK_MEMORY=y\n'
+          find nuttx/boards -name defconfig | xargs sed -i '$a\CONFIG_INTERPRETERS_WAMR=y\nCONFIG_INTERPRETERS_WAMR_STACKSIZE=32768\nCONFIG_INTERPRETERS_WAMR_AOT=y\nCONFIG_INTERPRETERS_WAMR_FAST=y\nCONFIG_INTERPRETERS_WAMR_LOG=y\nCONFIG_INTERPRETERS_WAMR_LIBC_BUILTIN=y\nCONFIG_INTERPRETERS_WAMR_REF_TYPES=y\nCONFIG_INTERPRETERS_WAMR_ENABLE_SPEC_TEST=y\nCONFIG_INTERPRETERS_WAMR_SHARED_MEMORY=y\nCONFIG_INTERPRETERS_WAMR_BULK_MEMORY=y\n'
           find nuttx/boards -name defconfig | xargs sed -i '$a\CONFIG_EOL_IS_LF=y\nCONFIG_ARM_SEMIHOSTING_HOSTFS=y\nCONFIG_ARM_SEMIHOSTING_HOSTFS_CACHE_COHERENCE=y\nCONFIG_RISCV_SEMIHOSTING_HOSTFS=y\nCONFIG_FS_HOSTFS=y\nCONFIG_LIBC_FLOATINGPOINT=y\n'
 
       - name: Build wamrc