Bump bpf-tools to v1.25

- Tweak linker script
  Ensure that all read only sections end up in one segment, and
  everything else in other segments. Discard .eh_frame, .hash and
  .gnu.hash since they are unused.
- Don't create invalid string slices in stdout/stderr on Solana
- Report exceeded stack size as a warning if dynamic frames are off
- Native support for signed division in SBF
  Adds BPF_SDIV, which is enabled only for the SBF subtarget.
- Introduce dynamic stack frames and the SBFv2 flag
  Dynamic stack frames  are currently opt-in and enabled setting
  cpu=sbfv2. When sbfv2 is used, ELF files are flagged with
  e_flags=EF_SBF_V2 so the runtime can detect it and react
  accordingly.

sdk/bpf/scripts/install.sh

@@ -102,7 +102,7 @@ if [[ ! -e criterion-$version.md || ! -e criterion ]]; then
 fi
 
 # Install Rust-BPF
-version=v1.24
+version=v1.25
 if [[ ! -e bpf-tools-$version.md || ! -e bpf-tools ]]; then
   (
     set -e