chore(tools): update fetchml-vet analyzers

Analyzer improvements:
- hipaacomplete.go: refined HIPAA compliance checks
- manifestenv.go: environment variable validation in manifests
- nobaredetector.go: detection of bare credential exposures
- noinlinecredentials.go: inline credential scanning improvements

tools/fetchml-vet/analyzers/hipaacomplete.go

@@ -27,7 +27,7 @@ var hipaaRequiredFields = []string{
 	"ComplianceMode",
 }
 
-func runHIPAACompleteness(pass *analysis.Pass) (interface{}, error) {
+func runHIPAACompleteness(pass *analysis.Pass) (any, error) {
 	for _, file := range pass.Files {
 		ast.Inspect(file, func(n ast.Node) bool {
 			// Look for if statements

tools/fetchml-vet/analyzers/manifestenv.go

@@ -16,7 +16,7 @@ var ManifestEnvironmentAnalyzer = &analysis.Analyzer{
 	Run:  runManifestEnvironment,
 }
 
-func runManifestEnvironment(pass *analysis.Pass) (interface{}, error) {
+func runManifestEnvironment(pass *analysis.Pass) (any, error) {
 	for _, file := range pass.Files {
 		ast.Inspect(file, func(n ast.Node) bool {
 			// Look for return statements

tools/fetchml-vet/analyzers/nobaredetector.go

@@ -16,7 +16,7 @@ var NoBareDetectorAnalyzer = &analysis.Analyzer{
 	Run:  runNoBareDetector,
 }
 
-func runNoBareDetector(pass *analysis.Pass) (interface{}, error) {
+func runNoBareDetector(pass *analysis.Pass) (any, error) {
 	for _, file := range pass.Files {
 		ast.Inspect(file, func(n ast.Node) bool {
 			// Look for call expressions

tools/fetchml-vet/analyzers/noinlinecredentials.go

@@ -29,7 +29,7 @@ var sensitiveCredentialFields = []string{
 	"PrivateKey",
 }
 
-func runNoInlineCredentials(pass *analysis.Pass) (interface{}, error) {
+func runNoInlineCredentials(pass *analysis.Pass) (any, error) {
 	for _, file := range pass.Files {
 		ast.Inspect(file, func(n ast.Node) bool {
 			// Look for composite literals (struct initialization)