add passphrase flag (#4518)

<!-- PR description-->

add `--new-passphrase` flag for `update-passphrase` command  

#### Does this PR need a docs update or release note?

- [ ] ✅ Yes, it's included
- [ ] 🕐 Yes, but in a later PR
- [ ] ⛔ No

#### Type of change

<!--- Please check the type of change your PR introduces: --->
- [ ] 🤖 Supportability/Tests

#### Issue(s)

<!-- Can reference multiple issues. Use one of the following "magic words" - "closes, fixes" to auto-close the Github issue. -->
* #<issue>

#### Test Plan

<!-- How will this be tested prior to merging.-->
- [ ] 💪 Manual
- [ ] ⚡ Unit test
- [ ] 💚 E2E

src/cli/flags/repo.go

@@ -76,12 +76,16 @@ func AddCorsoPassphaseFlags(cmd *cobra.Command) {
 }
 
 // M365 flags
-func AddCorsoUpdatePassphraseFlags(cmd *cobra.Command) {
+func AddUpdatePassphraseFlags(cmd *cobra.Command, require bool) {
 	fs := cmd.Flags()
 	fs.StringVar(&NewPhasephraseFV,
 		NewPassphraseFN,
 		"",
 		"update Corso passphrase for repo")
+
+	if require {
+		cobra.CheckErr(cmd.MarkFlagRequired(NewPassphraseFN))
+	}
 }
 
 // ---------------------------------------------------------------------------

src/cli/repo/repo.go

@@ -61,6 +61,8 @@ func AddCommands(cmd *cobra.Command) {
 	flags.AddMaintenanceUserFlag(maintenanceCmd)
 	flags.AddMaintenanceHostnameFlag(maintenanceCmd)
 
+	flags.AddUpdatePassphraseFlags(updatePassphraseCmd, true)
+
 	for _, addRepoTo := range repoCommands {
 		addRepoTo(initCmd)
 		addRepoTo(connectCmd)