[CWS] fix sqlite rpmdb loading in trivy-less collectorv2 (#41822)

### What does this PR do?

This PR makes sure the sqlite driver is loaded correctly, which is a requirement for the rpm SBOM collector to work as expected, when trivy is not loaded in the system-probe.

Fixes: #40934

### Motivation

### Describe how you validated your changes

### Additional Notes

Author: paulcacheux

pkg/security/resolvers/sbom/collectorv2/sqlite.go

@@ -0,0 +1,21 @@
+// Unless explicitly stated otherwise all files in this repository are licensed
+// under the Apache License Version 2.0.
+// This product includes software developed at Datadog (https://www.datadoghq.com/).
+// Copyright 2016-present Datadog, Inc.
+
+// Package collectorv2 holds sbom related files
+package collectorv2
+
+import (
+	// used to read RPM database
+	"database/sql"
+
+	"github.com/mattn/go-sqlite3"
+)
+
+// This is required to load sqlite based RPM databases
+func init() {
+	// mattn/go-sqlite3 is only registering the sqlite3 driver
+	// let's register the sqlite (no 3) driver as well
+	sql.Register("sqlite", &sqlite3.SQLiteDriver{})
+}