feat(comptime): Implement to_be_bits and to_le_bits in the interpreter

[aakoshh]

Description

Problem*

Resolves #6991

Summary*

Implements the to_be_bits and to_le_bits builtin functions in the interpreter to support pow and bit shifting in globals.

Additional Context

Documentation*

Check one:

• No documentation needed.
• Documentation included in this PR.
• [For Experimental Features] Documentation to be submitted in a separate PR.

PR Checklist*

• I have tested the changes locally.
• I have formatted the changes with Prettier and/or cargo fmt on default settings.

[github-actions]

Compilation Report

Program	Compilation Time	%
sha256_regression	1.296s	-4%
regression_4709	0.789s	-4%
ram_blowup_regression	18.360s	-2%
rollup-root	3.980s	3%
rollup-block-merge	3.810s	-10%
rollup-base-public	34.700s	-4%
rollup-base-private	11.600s	-6%
private-kernel-tail	1.053s	-2%
private-kernel-reset	8.272s	-1%
private-kernel-inner	2.360s	4%

[github-actions]

Execution Report

Program	Execution Time	%
sha256_regression	0.054s	-2%
regression_4709	0.001s	0%
ram_blowup_regression	0.572s	-1%
rollup-root	0.105s	-1%
rollup-block-merge	0.106s	0%
rollup-base-public	1.210s	-2%
rollup-base-private	0.464s	-1%
private-kernel-tail	0.022s	0%
private-kernel-reset	0.347s	-1%
private-kernel-inner	0.080s	-4%

[github-actions]

Compilation Memory Report

Program	Peak Memory
keccak256	78.11M
workspace	123.77M
regression_4709	422.96M
ram_blowup_regression	1.58G
rollup-base-public	4.11G
rollup-base-private	1.20G
private-kernel-tail	207.17M
private-kernel-reset	730.59M
private-kernel-inner	294.40M

[github-actions]

Execution Memory Report

Program	Peak Memory
keccak256	74.65M
workspace	123.80M
regression_4709	315.98M
ram_blowup_regression	512.41M
rollup-base-public	480.66M
rollup-base-private	326.51M
private-kernel-tail	181.02M
private-kernel-reset	249.69M
private-kernel-inner	209.86M