[BRANDING] Use forgejo binary name

- Use `forgejo` binary name for migration suggestions.
- Resolves https://codeberg.org/forgejo/forgejo/issues/869#issuecomment-944501

(cherry picked from commit 418a0bed8f)
(cherry picked from commit 734579ce9b)
(cherry picked from commit 34bce5be19)
(cherry picked from commit 9c788a6ec0)
(cherry picked from commit 6cabe32311)
(cherry picked from commit eba83a2440)
(cherry picked from commit 271c4586b2)
(cherry picked from commit 60883a4d68)
(cherry picked from commit ec1f866ccb)
(cherry picked from commit 3689fbe53c)
(cherry picked from commit 8019b115b6)
(cherry picked from commit 0d565d655b)
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(cherry picked from commit 1bd8eab96d)
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(cherry picked from commit cdab2d7a54)
(cherry picked from commit 7de165e11b)
(cherry picked from commit a3af896878)
(cherry picked from commit 886a9019c6)
(cherry picked from commit 6990c95c99)
(cherry picked from commit 7a9fc37939)

models/migrations/migrations.go

@@ -594,7 +594,7 @@ func EnsureUpToDate(x *xorm.Engine) error {
 	expected := ExpectedVersion()
 
 	if currentDB != expected {
-		return fmt.Errorf(`Current database version %d is not equal to the expected version %d. Please run "gitea [--config /path/to/app.ini] migrate" to update the database version`, currentDB, expected)
+		return fmt.Errorf(`Current database version %d is not equal to the expected version %d. Please run "forgejo [--config /path/to/app.ini] migrate" to update the database version`, currentDB, expected)
 	}
 
 	return nil

routers/common/db.go

@@ -54,7 +54,7 @@ func migrateWithSetting(x *xorm.Engine) error {
 		return migrations.Migrate(x)
 	} else if expected := migrations.ExpectedVersion(); current != expected {
 		log.Fatal(`"database.AUTO_MIGRATION" is disabled, but current database version %d is not equal to the expected version %d.`+
-			`You can set "database.AUTO_MIGRATION" to true or migrate manually by running "gitea [--config /path/to/app.ini] migrate"`, current, expected)
+			`You can set "database.AUTO_MIGRATION" to true or migrate manually by running "forgejo [--config /path/to/app.ini] migrate"`, current, expected)
 	}
 	return nil
 }