Bump gcc

Backport following patches:
 - RISC-V: Add shorten_memrefs pass.
 - RISC-V: Make unique SECCAT_SRODATA names start with .srodata (not .sdata2)
 - RISC-V: Update march parser
 - RISC-V: Handle implied extension for -march parser
 - Fix alignment for local variable [PR90811]
 - RISC-V: Optimize si to di zero-extend followed by left shift.
 - RISC-V: Make __divdi3 handle div by zero same as hardware.
 - RISC-V: Describe correct USEs for gpr_save pattern [PR95252]
 - RISC-V: Unify the output asm pattern between gpr_save and gpr_restore pattern.