deps: update dependencies for GORM, Viper, and SQLite support

- Add GORM v1.25.12 with MySQL and SQLite drivers
- Add Viper v1.19.0 for configuration management
- Add UUID package for GORM model IDs
- Update vendor directory with new dependencies
- Update Go module requirements and checksums

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

vendor/github.com/spf13/viper/internal/encoding/toml/codec.go

@@ -0,0 +1,16 @@
+package toml
+
+import (
+	"github.com/pelletier/go-toml/v2"
+)
+
+// Codec implements the encoding.Encoder and encoding.Decoder interfaces for TOML encoding.
+type Codec struct{}
+
+func (Codec) Encode(v map[string]any) ([]byte, error) {
+	return toml.Marshal(v)
+}
+
+func (Codec) Decode(b []byte, v map[string]any) error {
+	return toml.Unmarshal(b, &v)
+}