v1.20.0

• Added code to cater for no exception compilation
• Extended the benchmarking suite to support depthwise convolution benchmarking
  • Added kai_dwconv_clamp_f32_f32_f32p1vlx1b_3x3_s1_4xc_sme2_mla to benchmarking
• Fixes
  • Fixed clamping not being applied in matmul_clamp_f32_bf16p1x4_bf16p12x4b_1x36_neon_dot