ci: Implement stronger crypto algorithms enforcement.

- Exclude weak crypto algorithms using `G405` in the `.golangci.yml` file.

.golangci.yml

@@ -83,6 +83,7 @@ issues:
     - G402 # Look for bad TLS connection settings
     - G403 # Ensure minimum RSA key length of 2048 bits
     - G404 # Insecure random number source (rand)
+    - G405 # Look for the use of weak crypto algorithms
     - G501 # Import blocklist: crypto/md5
     - G502 # Import blocklist: crypto/des
     - G503 # Import blocklist: crypto/rc4