fix: break long lines to 77 characters in non-test files

Break long lines in function signatures and strings to comply with
77 character preference by using multi-line formatting and extracting
variables where appropriate.

internal/cli/init.go

@@ -161,7 +161,8 @@ func (cli *Instance) Init(cmd *cobra.Command) error {
 	}
 
 	// Write encrypted long-term private key
-	if err := afero.WriteFile(cli.fs, filepath.Join(unlockerDir, "longterm.age"), encryptedLtPrivKey, secret.FilePerms); err != nil {
+	ltPrivKeyPath := filepath.Join(unlockerDir, "longterm.age")
+	if err := afero.WriteFile(cli.fs, ltPrivKeyPath, encryptedLtPrivKey, secret.FilePerms); err != nil {
 		return fmt.Errorf("failed to write encrypted long-term private key: %w", err)
 	}