CI: Add codacy scanning

[chadsec1]

Adds Codacy scanning workflow to further protect main branch.

Currently we protect main branch by enforcing CodeQL and unit tests to pass. This adds Codacy scanning as well.

[codacy-production]

Not up to standards ⛔

🔴 Issues 1 high

Alerts:
⚠ 1 issue (≤ 0 issues of at least minor severity)

Results:
1 new issue

Category	Results
Security	1 high

View in Codacy

🟢 Coverage ∅ diff coverage · +0.06% coverage variation

Metric	Results
Coverage variation	✅ +0.06% coverage variation (-1.00%)
Diff coverage	✅ ∅ diff coverage

View coverage diff in Codacy

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (cc0c712)	1725	1520	88.12%
Head commit (3fad04f)	1725 (+0)	1521 (+1)	88.17% (+0.06%)

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 (#2)	0	0	∅ (not applicable)

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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