CI (wheels): Use flex and bison from the distro

This should be more efficient and will not rely on GNU servers which are currently down. The downside is that they are not pinned anymore, but these packages shouldn't have breaking changes.

PiperOrigin-RevId: 680981189

build_scripts/wheels/manylinux.sh

@@ -8,41 +8,9 @@ if [[ -z "$PLAT" ]]; then
   exit 1
 fi
 
-dnf install -y ninja-build gettext-devel python3-devel # gettext is for flex
-
-# TODO: what should be the update cadence for these?
-BISON_VERSION='3.6'
-FLEX_VERSION='2.6.4'
-
-untar() {
-  mkdir -pv "$1"
-  tar -C "$1" -xzvf "${1}.tar.gz" --strip-components=1
-  rm -vf "${1}.tar.gz"
-}
-
-TD="$(mktemp -d)"
-pushd "$TD" || exit 1
-
-# Install Flex
-curl -sSL \
-  -o flex.tar.gz \
-  "https://github.com/westes/flex/releases/download/v${FLEX_VERSION}/flex-${FLEX_VERSION}.tar.gz"
-untar flex
-pushd flex
-./autogen.sh && ./configure && make && make install
-popd
-
-# Install GNU Bison
-curl -sSL \
-  -o bison.tar.gz \
-  "https://ftp.gnu.org/gnu/bison/bison-${BISON_VERSION}.tar.gz"
-untar bison
-pushd bison
-./configure && make && make install
-
+dnf install -y ninja-build python3-devel flex bison
 cd /io
 dirs -c
-rm -rf "$TD"
 
 cmake --version
 ninja --version