feat: Document Brakeman limitation DOCS-675

[nicklem]

Documents the Brakeman version limitation, prompting users to use Semgrep instead.

👀 Live preview

https://docs-675-document-the-use-of-semgre--docs-codacy.netlify.app/getting-started/supported-languages-and-tools/#semgrep-brakeman

[github-actions]

Overall readability score: 53.96 (🔴 -0.01)

File	Readability
supported-languages-and-tools.md	48.02 (🔴 -1.11)

View detailed metrics

🟢 - Shows an increase in readability
🔴 - Shows a decrease in readability

File	Readability	FRE	GF	ARI	CLI	DCRS
supported-languages-and-tools.md	48.02	31.48	10.75	13.5	14.9	7.72
	🔴 -1.11	🔴 -0.1	🔴 -0.29	🔴 -0.3	🔴 -0.18	🟢 +0.03

Averages:

	Readability	FRE	GF	ARI	CLI	DCRS
Average	53.96	42.81	10.88	12.42	12.55	7.91
	🔴 -0.01	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0

View metric targets

Metric	Range	Ideal score
Flesch Reading Ease	100 (very easy read) to 0 (extremely difficult read)	60
Gunning Fog	6 (very easy read) to 17 (extremely difficult read)	8 or less
Auto. Read. Index	6 (very easy read) to 14 (extremely difficult read)	8 or less
Coleman Liau Index	6 (very easy read) to 17 (extremely difficult read)	8 or less
Dale-Chall Readability	4.9 (very easy read) to 9.9 (extremely difficult read)	6.9 or less

[claudiacarpinteiro]

Looks good! 👍
Left a couple of minor notes.