Merge tag '2023.08-rc2' into next

Conflicts:
  - .checkpackageignore
  - Makefile
  - board/versal/post-image.sh
  - package/sentry-cli/0001-Disable-SSL-support-for-the-curl-module.patch
      => keep version in next

  - Config.in.legacy
      => merge, introduce legacy comment for 2023.11

  - toolchain/toolchain-external/toolchain-external-bootlin/Config.in.options
      => regenerate, drop dependency on inexistant BR2_ARCH_NEEDS_GCC_AT_LEAST_14

Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>