Automated Release v1.2.4.12

[github-actions]

Auto-generated pull request for version 1.2.4.12.

Please use Squash and merge to include the changelog in the release message.

Changelog:

• Add support for new platform property annotations for P4Runtime. (4611) [Jonathan DiLorenzo]
• Fix extern pipeline name in template file (4675) [Komal Jain]
• Add a release template to the compiler. (4692) [Fabian Ruffy]
• irgen: Generate explicit instantiations (4681) [Chris Dodd]
• Workaround for gcc-11.4/draft 2x spec flaw (4679) [Chris Dodd]
• Remove no-longer-used *.p4info.txt files (4687) [Andy Fingerhut]
• Improve internals (4678) [Anton Korobeynikov]
• Make the new operator protected for some IR types. (4670) [Fabian Ruffy]
• Set type for LAnd, LOr, LNot to be Type_Boolean if unknown. (4612) [Fabian Ruffy]
• Facilitate inheritance from RenameSymbols pass, deduplicate code (4682) [Vladimír Štill]
• Add string_view and string conversion operators and functions to cstring (4676) [Vladimír Štill]
• Generalization & minor refactoring in RenameMap (4677) [Vladimír Štill]
• Added changes for default hit actions for tc backend (4673) [Sosutha]
• Support for Register Extern in P4TC (4671) [Komal Jain]
• Aggressively clean up the Protobuf CMake dependency. (4543) [Fabian Ruffy]
• RemoveUnusedDeclarations - make helpers protected (4668) [Chris Dodd]
• Replace IR::getBitType with IR::Type_Bits::get. (4669) [Fabian Ruffy]
• Only emit the warning on EXPORT_COMPILE_COMMANDS when there are clang-tidy files to lint. (4665) [Fabian Ruffy]
• Explicitly include hash for Ubuntu 18.04. (4664) [Fabian Ruffy]
• Changes for for loops (4562) [Chris Dodd]
• [4656] Explicitly delay constant folding of only action enum expressions, instead of delaying constant folding of all expressions (4657) [Kyle Cripps]
• Link against the Boehm-Demers-Weiser Garbage Collector using FetchContent. (3930) [Fabian Ruffy]
• Merge TestgenCompilerTarget into TestgenTarget. (4650) [Fabian Ruffy]
• Add support for a clang-tidy linter. Add a files utility function. (4254) [Fabian Ruffy]
• Fixes to lib/hash and lib/big_int_util. (4655) [Fabian Ruffy]
• Change parameter for kfunc 'bpf_p4tc_entry_create_on_miss' (4637) [Komal Jain]
• Fix missing declaration of custom externs in the generated eBPF/uBPF header file. (4644) [Fabian Ruffy]
• Improve error message when shifting int by non-const (4653) [Vladimír Štill]
• Move IRUtils Literal get functions to the respective IR members. Add stringliteral get function. (4623) [Fabian Ruffy]
• Use check_include_file_cxx instead of check_include_file to find mm_malloc.h (4649) [Fabian Ruffy]