Use inline trufflehog:ignore instead of exclude paths file

Inline comments are more targeted than excluding the entire file
from secret scanning. Remove the .trufflehog.yml exclude file and
the --exclude-paths flag from the workflow.

Signed-off-by: Bryan Frimin <bryan@getprobo.com>

.github/workflows/secrets.yaml

@@ -19,4 +19,4 @@ jobs:
           submodules: recursive
       - uses: "trufflesecurity/trufflehog@b78fbfd8eb982f4802e09a265fb2bc37b3040975" # main
         with:
-          extra_args: "--results=verified,unknown --exclude-paths=.trufflehog.yml"
+          extra_args: "--results=verified,unknown"

.trufflehog.yml

@@ -1 +0,0 @@
-pkg/agent/guardrail/sensitive_data_test\.go

pkg/agent/guardrail/sensitive_data_test.go

@@ -82,12 +82,12 @@ func TestSensitiveDataGuardrail_Check(t *testing.T) {
 		{"pem certificate", "-----BEGIN CERTIFICATE-----\nMIIE...", true},
 
 		// Connection strings
-		{"postgres uri", "Connect to postgres://user:pass@host/db", true},
-		{"postgresql uri", "Connect to postgresql://user:pass@host/db", true},
-		{"mongodb uri", "Use mongodb://user:pass@host/db", true},
+		{"postgres uri", "Connect to postgres://user:pass@host/db", true},     // trufflehog:ignore
+		{"postgresql uri", "Connect to postgresql://user:pass@host/db", true}, // trufflehog:ignore
+		{"mongodb uri", "Use mongodb://user:pass@host/db", true},              // trufflehog:ignore
 		{"mysql uri", "Use mysql://user:pass@host/db", true},
 		{"redis uri", "Cache at redis://localhost:6379", true},
-		{"amqp uri", "Queue at amqp://guest:guest@host/vhost", true},
+		{"amqp uri", "Queue at amqp://guest:guest@host/vhost", true}, // trufflehog:ignore
 
 		// Generic secret field names
 		{"encryption_key", "The encryption_key is set in config", true},