Add Gosec Github Action (#9332)

* add gosec security scan

* add gosec ignores first batch

* more nosec for exec

* add filepath clean

* more nosec

* file inclusion nosec

* build

* herumi

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>

tools/keystores/main.go

@@ -224,7 +224,7 @@ func encrypt(cliCtx *cli.Context) error {
 // Reads the keystore file at the provided path and attempts
 // to decrypt it with the specified passwords.
 func readAndDecryptKeystore(fullPath, password string) error {
-	file, err := ioutil.ReadFile(fullPath)
+	file, err := ioutil.ReadFile(fullPath) // #nosec G304
 	if err != nil {
 		return errors.Wrapf(err, "could not read file at path: %s", fullPath)
 	}