toywasm: bump to v66.0.0

the included changes are:

```shell
spacetanuki% git log --pretty=oneline v65.0.0..v66.0.0
b0e100a4ebd666f02b2bb9222d402a9f399a740b (tag: v66.0.0) wapm.toml: bump the version
7604b9b896d7f48c46e484f560bbc679a87b0241 LICENSE: new year
c674c030025aab4cac94962328ae69590c5f1367 test/spectest.wat: update to match the spec harness
a5cf6bda2b2e022775d4d2d54aa11afc2e1295c2 test/fetch-spec-test.sh: update wasm-spec-test
c97f2d8e9e19d586d46b5db48a0582f374796d12 test/prepare-spec-test.sh: bump https://github.com/WebAssembly/multi-memory
b5f75600df812c421855ab7008b13113658af1c4 test/prepare-spec-test.sh: bump https://github.com/WebAssembly/spec version
1bfdc750dc18d085ac739a629b8b12b7ed9d9f6b escape.c: fix an integer overflow issue, especially on 32-bit archs
e15be49961d32e1878bfea399fd9cd609ff94045 escape.c: fix a comment
spacetanuki%
```

for nuttx-apps, only the escape.c fix is important.

Signed-off-by: YAMAMOTO Takashi <[email protected]>

Author: yamt

interpreters/toywasm/Makefile

@@ -146,7 +146,7 @@ CFLAGS += ${INCDIR_PREFIX}$(APPDIR)/interpreters/toywasm/toywasm/libdyld
 
 CFLAGS += -Wno-unknown-warning-option -Wno-unused-but-set-variable -Wno-unused-variable -Wno-return-type
 
-TOYWASM_VERSION  = e972e94fa427c3371fb21ad4bb9f238a1cca7795
+TOYWASM_VERSION  = b0e100a4ebd666f02b2bb9222d402a9f399a740b
 TOYWASM_UNPACK   = toywasm
 TOYWASM_TARBALL  = $(TOYWASM_VERSION).zip
 TOYWASM_URL_BASE = https://github.com/yamt/toywasm/archive/