cmake/pros: update cppzmq 4.7.1 to 4.11.0

[smanders]

externpro/cppzmq@v4.7.1...dev
https://github.com/externpro/cppzmq/releases
https://github.com/zeromq/cppzmq/releases

[smanders]

roughly what was done to update from branch off v4.7.1 tag to branch off v4.11.0 tag
disclaimer: some things may have been left off this list of commands

git switch xpro
git reset --soft v4.7.1
git restore --staged .
git stash
git switch -c xpupdate v4.11.0
git push cm v4.11.0
git submodule add https://github.com/externpro/externpro .devcontainer
cd .devcontainer
git describe --tags | pbcopy
cd ..
git commit -m "externpro <paste>"
git add .github/workflows/xp*
git add docker-compose.* xprodeps.*
git add CMakePresets*
git commit -m "externpro init"
<update .github/release-tag.json>
git add .github/release-tag.json
git commit -m "add .github/release-tag.json"
git stash pop
git add -p .gitignore
git commit -m "gitignore: externpro ignores"
<changes to make cmake externpro-ready>
git add -p .
git commit -m "cmake: xpExternPackage, externpro-ready"
git push cm xpupdate
git branch -D xpro
git branch xpro <hash-that-has-workflows>
git push --force-with-lease cm xpro

[smanders]

https://github.com/externpro/cppzmq/releases/tag/xpv4.11.0.1
externpro/cppzmq@v4.11.0...xpv4.11.0.1

[smanders]

buildpro pull externpro/buildpro#360 with cppzmq xpv4.11.0.1