Only makefiles in the test and tutorial directories need lib/petsc/conf/test

Commit-type: housekeeping

Switch to clang-format 16

Merge remote-tracking branch 'origin/release'

ISLocate_Block: fix incorrect dimension

Deprecate ISCompressIndicesSorted()

ISCompressIndicesGeneral: special path for ISBLOCK

HDF5: Use correct default

Docs: more cleanup

Fix manual pages based on reports from Jacob's lint tool

Commit-type: documentation

Remove now unneeded SOURCE* variables from makefiles

Commit-type: configure, housekeeping

Remove unneeded SOURCEH from makefiles

No longer used by docs or build

Merge branch 'jczhang/optimize-mpiaijkok-matproduct' into 'main'

Simplify and optimize MatProduct of MPIAIJKOKKOS

See merge request petsc/petsc!6152

Vec: call PetscSFSetUp() at the end of VecScatterCreate()

So that the created SF is ready for use in PetscSFGetLeafRanks() etc as we usually call

Fix sanitizer errors

Clean up PETSc str ops to use more secure implementations where possible. These include:

- Use PetscStrncpy()/PetscStrlcat()/PetscMemcpy() over PetscStrcpy()/PetscStrcat()
- Use PetscArraycpy() over

Clean up PETSc str ops to use more secure implementations where possible. These include:

- Use PetscStrncpy()/PetscStrlcat()/PetscMemcpy() over PetscStrcpy()/PetscStrcat()
- Use PetscArraycpy() over PetscMemcpy() as appropriate for string buffer copying
- Use built in string from name over hardcoding
- Use sizeof over hardcoded length
- Replace some Strlcat with Strncpy when offset is known

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Fix C++20 implicit enum-float conversions

Merge branch 'jolivet/follow-up-6107-6113' into 'main'

Remove unneeded (empty) makefile variables

See merge request petsc/petsc!6132

Docs: minor fixes

Fix Vec, SF, Section and IS manual pages

Commit-type: documentation