[www-scripts] Clang Attribute Doc Update: ERROR

[root via www-scripts]

UPDATING LLVM SOURCES
HEAD is now at 0b420d6 [SLP][NFC]Fix assert condition in newTreeEntry, NFC.
>From https://github.com/llvm/llvm-project
 * branch            master     -> FETCH_HEAD
   0b420d6..0196b45  master     -> origin/master
First, rewinding head to replay your work on top of it...
Fast-forwarded master to 0196b45ceaf8784eae058e6af4fd943f16a2d071.
/opt/tools/clangCLdoc_update.sh: line 44: cmake: command not found