chore(revert): fix: alternative route of getting latest Gitea version

Revert 53375283d4
fix: alternative route of getting latest Gitea version

Use git ls-remote and git-mirror instead of the API

$ version=1.23
$ git ls-remote --refs --tags --sort=version:refname https://git-mirror.forgejo.org/go-gitea/gitea "v$version*" | sed -n -E -e "s|^.*/v($version[\.0-9]*)$|\1|p"
1.23.0
1.23.1
1.23.2
1.23.3
1.23.4
1.23.5
1.23.6
1.23.7

upgrade/upgrade.sh

@@ -69,11 +69,6 @@ function migration_assert() {
 }
 
 function test_gitea_upgrades() {
-    local token="$1"
-    GITEA_AUTHORIZATION_HEADER="Authorization: token $token"
-
-    run dependencies
-
     local config=$UPGRADE_DIR/default-app.ini
     # The Forgejo target migration version must be 10.0 because it is the last supported.
     # https://forgejo.org/2024-12-gitea-compatibility/
@@ -111,4 +106,5 @@ function test_upgrades() {
 
     run test_successful_upgrades
     run test_forgejo_pprof
+    run test_gitea_upgrades
 }