(cherry picked from commit d963a34)

Backported PRs:
- [x] #53757 <!-- Add an IndexStyle example to the diagind docstring -->
- [x] #53809 <!-- Add missing GC_POP() in emit_cfunction -->
- [x] #53789 <!-- also check that UUID of project is non-null when
treating it as a package -->
- [x] #53805 <!-- precompilepkgs: simplify custom config printing if
only one -->
- [x] #53822 <!-- Bump libuv -->
- [x] #53837 <!-- update MPFR to 4.2.1 -->
- [x] #53862 <!-- precompilepkgs: fix error reporting -->
- [x] #53774 <!-- Remove some duplicates from emitted compilation traces
-->
- [ ] #53696 <!-- add invokelatest to on_done callback in bracketed
paste -->
- [x] #53383 <!-- Add `_unsetindex!` methods for `SubArray`s and
`CartesianIndex`es -->
- [x] #53475 <!-- Fix boundscheck in unsetindex for SubArrays -->
- [x] #53888 
- [x] #53870 <!-- Revert change to checksum for llvm-julia -->
- [x] #53906 <!-- Add `Base.isrelocatable(pkg)` -->
- [x] #53833 <!-- Profile: make heap snapshots viewable in vscode viewer
-->
- [x] #53961 <!-- `LazyString` in `LinearAlgebra.checksquare` error
message -->
- [x] #53962 <!-- Use StringMemory instead of StringVector where
possible -->
- [x] #53825 <!-- profile: doc: update the `Allocs.@profile` doc string
-->
- [x] #53975 <!-- `LazyString` in `DimensionMismatch` error messages in
broadcasting -->
- [x] #53905 <!-- Avoid repeated precompilation when loading from
non-relocatable cachefiles -->
- [x] #53896 <!-- Make reshape and view on Memory produce Arrays and
delete wrap -->
- [x] #53991 <!-- Test and fix non-int-length bug in `view(::Memory,
::Union{UnitRange, Base.OneTo})` -->