Add Python CWE-327 (weak crypto) and CWE-338 (predictable PRNG) test cases - #15

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Calculated fingerprint of b9424fedffcb8b9c:1 for file vulns/java/sqli-statement-concat.java line 35, but found existing inconsistent fingerprint value sql-string-concatenation:vulns/java/sqli-statement-concat.java:35

Calculated fingerprint of 4ee7f4c60292cda1:1 for file vulns/java/deserialization-object-input-stream.java line 45, but found existing inconsistent fingerprint value java-unsafe-deserialization:vulns/java/deserialization-object-input-stream.java:45

Calculated fingerprint of 24ce0c7ab4b1f6ba:1 for file vulns/java/deserialization-object-input-stream.java line 38, but found existing inconsistent fingerprint value java-unsafe-deserialization:vulns/java/deserialization-object-input-stream.java:38

Calculated fingerprint of 5f4806ddf5dc993:1 for file vulns/java/deserialization-object-input-stream.java line 37, but found existing inconsistent fingerprint value java-unsafe-deserialization:vulns/java/deserialization-object-input-stream.java:37

Calculated fingerprint of 80f6060d0c8a1d4:1 for file vulns/go/sqli-fmt-sprintf.go line 42, but found existing inconsistent fingerprint value sql-string-concatenation:vulns/go/sqli-fmt-sprintf.go:42

Calculated fingerprint of ec3b16c98a4e4377:1 for file vulns/go/sqli-fmt-sprintf.go line 32, but found existing inconsistent fingerprint value sql-format-call:vulns/go/sqli-fmt-sprintf.go:32

Calculated fingerprint of 8a3f9c180f5262cd:1 for file vulns/go/cmd-injection-exec.go line 37, but found existing inconsistent fingerprint value go-shell-exec-command:vulns/go/cmd-injection-exec.go:37

Calculated fingerprint of 2a5b48a56bc1ded8:1 for file vulns/go/cmd-injection-exec.go line 29, but found existing inconsistent fingerprint value go-shell-exec-command:vulns/go/cmd-injection-exec.go:29

Calculated fingerprint of e297bb0d99c1769e:1 for file docs/CONTRIBUTING.md line 59, but found existing inconsistent fingerprint value secret-aws-access-key:docs/CONTRIBUTING.md:59