chore(deps): upgrade to 1.26 and replace environment_to_ini_call with gitea config edit-ini (#1070)

Need more time to know how to handle `expect_environment_to_ini_call`

Fix #1068

Reviewed-on: https://gitea.com/gitea/helm-gitea/pulls/1070
Reviewed-by: Zettat123 <39446+zettat123@noreply.gitea.com>

unittests/helm/config/config-environment-script.yaml

@@ -0,0 +1,14 @@
+suite: config template | config_environment.sh
+release:
+  name: gitea-unittests
+  namespace: testing
+templates:
+  - templates/gitea/config.yaml
+tests:
+  - it: uses `gitea config edit-ini` to write app.ini from environment variables
+    template: templates/gitea/config.yaml
+    asserts:
+      - documentIndex: 1
+        matchRegex:
+          path: stringData["config_environment.sh"]
+          pattern: 'gitea config edit-ini --apply-env --config .+GITEA_APP_INI.+ --out .+GITEA_APP_INI'