Nightly failures

Currently there are a few failures in the nightly pipeline which block #24000 (closed):

• test-cabal-reinstall fails due to text bounds in the linters (fixed in !11335)
• nightly-x86_64-linux-ubuntu18_04-validate fails due to #23843 (closed) (fixed by !11079 (closed))
• nightly-aarch64-linux-deb10-validate+llvm fails due to an apparently missing LLVM toolchain
• nightly-aarch64-linux-alpine3_18-validate fails due to #24011 (closed)
• nightly-x86_64-linux-centos7-validate and nightly-x86_64-linux-deb9-validate fail due to ghc-toolchain inconsistencies (fixed by !11135 (closed) )