Working around:
```
==> Installing libngtcp2 dependency: ca-certificates
==> Pouring ca-certificates--2026-07-16.all.bottle.1.tar.gz
Warning: The post-install step did not complete successfully
[...]
Error: Process completed with exit code 1.
```
Refs:
https://github.com/Homebrew/homebrew-core/pull/295934
https://github.com/Homebrew/brew/pull/23357
Bug: https://github.com/curl/curl/pull/22437#issuecomment-
5124151490
Closes #22438
sudo apt-get -o Dpkg::Use-Pty=0 install \
libpsl-dev libbrotli-dev libidn2-dev libssh2-1-dev libssh-dev \
libnghttp2-dev libldap-dev libkrb5-dev libgnutls28-dev libwolfssl-dev
+ /home/linuxbrew/.linuxbrew/bin/brew install ca-certificates || true
/home/linuxbrew/.linuxbrew/bin/brew install c-ares gsasl libnghttp3 libngtcp2 mbedtls rustls-ffi
- uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
${INSTALL_PACKAGES} \
${MATRIX_INSTALL_PACKAGES}
if [ -n "${INSTALL_PACKAGES_BREW}" ]; then
+ /home/linuxbrew/.linuxbrew/bin/brew install ca-certificates || true
/home/linuxbrew/.linuxbrew/bin/brew install ${INSTALL_PACKAGES_BREW}
fi