いつもお世話になっております。

1.2.4から1.6.0へのバージョンアップがうまくいかず、
お知恵を拝借したい次第です。
以下操作ログです。

# git pull && git checkout $(git describe --tags --abbrev=0)
remote: Enumerating objects: 2645, done.
remote: Counting objects: 100% (2436/2436), done.
remote: Compressing objects: 100% (688/688), done.
remote: Total 2645 (delta 1850), reused 2253 (delta 1724), pack-reused 209
Receiving objects: 100% (2645/2645), 1.25 MiB | 15.24 MiB/s, done.
Resolving deltas: 100% (1915/1915), completed with 103 local objects.
From https://github.com/opensource-workshop/connect-cms
 * [new branch]        2.0.1                            -> origin/2.0.1
 * [new branch]        2.2.0                            -> origin/2.2.0
 * [new branch]        2.x                              -> origin/2.x
   69594c9d..b2bfb5fb  Test&Manual                      -> origin/Test&Manual
 * [new branch]        add_extention_user_mail_sendflag -> origin/add_extention_user_mail_sendflag
 * [new branch]        add_thumbnail_image_to_upload_file_list -> origin/add_thumbnail_image_to_upload_file_list
 * [new branch]        bugfix-1556                      -> origin/bugfix-1556
 * [new branch]        bugfix-frame-status              -> origin/bugfix-frame-status
 * [new branch]        bugfix-tabs-areadata             -> origin/bugfix-tabs-areadata
 * [new branch]        database_checkbox_search         -> origin/database_checkbox_search
 * [new branch]        databases-file-download          -> origin/databases-file-download
 * [new branch]        databases_force_show_column      -> origin/databases_force_show_column
 * [new branch]        fix-databases-browser-back       -> origin/fix-databases-browser-back
 * [new branch]        fix-databases-gotolist           -> origin/fix-databases-gotolist
 * [new branch]        fix-search_multi                 -> origin/fix-search_multi
 * [new branch]        fix-sitedocument                 -> origin/fix-sitedocument
 * [new branch]        fix_sitedocument_segment_name    -> origin/fix_sitedocument_segment_name
 * [new branch]        guzzle-2.x                       -> origin/guzzle-2.x
 * [new branch]        laravel9.0                       -> origin/laravel9.0
   2f116f2a..2e51ae2a  master                           -> origin/master
 * [new branch]        navbar-overflow                  -> origin/navbar-overflow
 * [new branch]        option_base                      -> origin/option_base
 * [new branch]        user_affiliations                -> origin/user_affiliations
 * [new tag]           v1.6.1                           -> v1.6.1
 * [new tag]           v2.2.1                           -> v2.2.1
（中略）
 * [new tag]           v2.1.3                           -> v2.1.3
 * [new tag]           v2.2.0                           -> v2.2.0

You are not currently on a branch.
Please specify which branch you want to merge with.
See git-pull(1) for details.

    git pull

# php -d allow_url_fopen=1 composer.phar install --no-dev
Do not run Composer as root/super user! See https://getcomposer.org/root for details
Continue as root/super user [yes]? yes

Installing dependencies from lock file
Verifying lock file contents can be installed on current platform.
Nothing to install, update or remove
Package swiftmailer/swiftmailer is abandoned, you should avoid using it. Use symfony/mailer instead.

Generating optimized autoload files
> Illuminate\Foundation\ComposerScripts::postAutoloadDump
> @php artisan package:discover --ansi
Discovered Package: fideloper/proxy
Discovered Package: intervention/image
Discovered Package: kalnoy/nestedset
Discovered Package: laravel/tinker
Discovered Package: laravel/ui
Discovered Package: laravelcollective/html
Discovered Package: nesbot/carbon
Package manifest generated successfully.
54 packages you are using are looking for funding.
Use the `composer fund` command to find out more!

# php artisan config:clear
Configuration cache cleared!

# php artisan migrate
Nothing to migrate.　　<-******************この部分が…

# php artisan db:seed
Seeding: Database\Seeders\DefaultPagesTableSeeder
Seeded:  Database\Seeders\DefaultPagesTableSeeder (5.09ms)
Seeding: Database\Seeders\DefaultUsersTableSeeder
Seeded:  Database\Seeders\DefaultUsersTableSeeder (0.43ms)
Seeding: Database\Seeders\DefaultUsersRolesTableSeeder
Seeded:  Database\Seeders\DefaultUsersRolesTableSeeder (0.36ms)
Seeding: Database\Seeders\DefaultConfigsTableSeeder
Seeded:  Database\Seeders\DefaultConfigsTableSeeder (8.24ms)
Seeding: Database\Seeders\DefaultPluginsTableSeeder
Seeded:  Database\Seeders\DefaultPluginsTableSeeder (0.31ms)
Seeding: Database\Seeders\DefaultReservationsTableSeeder
Seeded:  Database\Seeders\DefaultReservationsTableSeeder (2.15ms)
Database seeding completed successfully.

# chown -R apache:apache storage
# chown -R apache:apache bootstrap/cache
# chown -R apache:apache public
# chmod -R u+wr storage
# chmod -R u+wr bootstrap/cache
# chmod -R u+wr public

#  php artisan command:version
1.2.4

という感じで、うまくいっておりません。。
この部分が…、というところがおかしいと思っています。
Version指定をきちんと明示しても同様の結果でした。
ずいぶんと汚してしまいましたが、ご教授いただけると幸いです。