CI: Update Ubuntu setup/build scripts with 24.04 baseline

- Removes check for 22.10 as 24.04 is now the minimum
- Moves librist and libsrt to default dependencies
- Adds nv-codec-headers for native NVENC

.github/scripts/.build.zsh

@@ -216,7 +216,6 @@ build() {
         -DCEF_ROOT_DIR:PATH="${project_root}/.deps/cef_binary_${CEF_VERSION}_${target//ubuntu-/linux_}"
       )
 
-      if (( ! UBUNTU_2210_OR_LATER )) cmake_args+=(-DENABLE_NEW_MPEGTS_OUTPUT:BOOL=OFF)
       if [[ ${target##*-} == aarch64 ]] cmake-args+=(-DENABLE_QSV11:BOOL=OFF)
 
       cmake_build_args+=(build_${target%%-*} --config ${config} --parallel)

.github/scripts/utils.zsh/check_ubuntu

@@ -3,8 +3,6 @@ autoload -Uz log_debug log_group
 log_group 'Check Ubuntu build requirements'
 log_debug 'Checking Ubuntu distribution name and version...'
 
-# Check for Ubuntu version 22.10 or later, which have srt and librist available via apt-get
-typeset -g -i UBUNTU_2210_OR_LATER=0
 if [[ -f /etc/os-release ]] {
   local dist_name
   local dist_version
@@ -15,11 +13,6 @@ if [[ -f /etc/os-release ]] {
     log_group
     return 2
   }
-
-  autoload -Uz is-at-least
-  if is-at-least 22.10 ${dist_version}; then
-    typeset -g -i UBUNTU_2210_OR_LATER=1
-  fi
 } else {
   log_error "Unable to determine local Linux distribution, but Ubuntu is required. Aborting"
   log_group

.github/scripts/utils.zsh/setup_ubuntu

@@ -101,12 +101,11 @@ sudo apt-get install -y --no-install-recommends \
   libasound2-dev libfdk-aac-dev libfontconfig-dev libfreetype6-dev libjack-jackd2-dev \
   libpulse-dev libsndio-dev libspeexdsp-dev libudev-dev libv4l-dev libva-dev libvlc-dev \
   libpci-dev libdrm-dev \
-  nlohmann-json3-dev libwebsocketpp-dev libasio-dev libqrcodegencpp-dev
+  nlohmann-json3-dev libwebsocketpp-dev libasio-dev libqrcodegencpp-dev \
+  libffmpeg-nvenc-dev librist-dev libsrt-openssl-dev
 
 if [[ ${target##*-} == x86_64 ]] sudo apt-get install -y --no-install-recommends libvpl-dev libvpl2
 
-if (( UBUNTU_2210_OR_LATER )) sudo apt-get install -y --no-install-recommends librist-dev libsrt-openssl-dev
-
 local -a _qt_packages=()
 
 if (( QT_VERSION == 6 )) {