fix: semgrep init

[andrzej-janczak]

This pull request fixes the handling of Semgrep rules by embedding the rules.yaml file directly into the binary, simplifying file access and improving test reliability. The most important changes include introducing an embedded file system for rules.yaml, updating the configuration logic to use the embedded file, and refactoring the tests accordingly.

Embedding Semgrep rules:

• Introduced a new embedded package to embed the rules.yaml file into the binary using Go's embed package. Added a GetSemgrepRules function to retrieve the embedded rules. (plugins/tools/semgrep/embedded/semgrep.go)

Configuration logic updates:

• Updated FilterRulesFromFile and GetSemgrepConfig functions to use the embedded rules.yaml data instead of reading from the file system. Removed file path and executable path dependencies. (tools/semgrepConfigCreator.go) [1] [2]

Test refactoring:

• Modified tests to use the embedded rules.yaml data directly, removing the need for temporary files and directory structures. Simplified test cases and ensured they validate the new embedded logic. (tools/semgrepConfigCreator_test.go) [1] [2]

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ -0.22%	✅ 92.86%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (a84eb7c)	4607	1428	31.00%
Head commit (481a128)	4585 (-22)	1411 (-17)	30.77% (-0.22%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#129)	14	13	92.86%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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