feat!: port updates from Gitea 10.1.1 chart (#356)

Co-authored-by: pat-s <patrick.schratz@gmail.com>
Co-authored-by: pat-s <pat-s@noreply.gitea.com>
Co-authored-by: justusbunsi <sk.bunsenbrenner@gmail.com>
Co-authored-by: remogeissbuehler <remogeissbuehler@noreply.gitea.com>
Co-authored-by: florianspk <florianspk@gmail.com>
Co-authored-by: Oliver Fueckert <oliver@cubinet.de>
Co-authored-by: Michael Kriese <michael.kriese@gmx.de>
Reviewed-on: https://codeberg.org/forgejo-contrib/forgejo-helm/pulls/356
Reviewed-by: Michael Kriese <michael.kriese@gmx.de>
Co-authored-by: alexandra catalina <git@garbage.world>
Co-committed-by: alexandra catalina <git@garbage.world>

unittests/config/cache-config.yaml

@@ -0,0 +1,45 @@
+suite: config template | cache config
+release:
+  name: gitea-unittests
+  namespace: testing
+tests:
+  - it: 'cache is configured correctly for redis-cluster'
+    template: templates/gitea/config.yaml
+    set:
+      redis-cluster:
+        enabled: true
+    asserts:
+      - documentIndex: 0
+        equal:
+          path: stringData.cache
+          value: |-
+            ADAPTER=redis
+            HOST=redis+cluster://:@gitea-unittests-redis-cluster-headless.testing.svc.cluster.local:6379/0?pool_size=100&idle_timeout=180s&
+
+  - it: "cache is configured correctly for 'memory' when redis-cluster is disabled"
+    template: templates/gitea/config.yaml
+    set:
+      redis-cluster:
+        enabled: false
+    asserts:
+      - documentIndex: 0
+        equal:
+          path: stringData.cache
+          value: |-
+            ADAPTER=memory
+            HOST=
+
+  - it: 'cache can be customized when redis-cluster is disabled'
+    template: templates/gitea/config.yaml
+    set:
+      redis-cluster:
+        enabled: false
+      gitea.config.cache.ADAPTER: custom-adapter
+      gitea.config.cache.HOST: custom-host
+    asserts:
+      - documentIndex: 0
+        equal:
+          path: stringData.cache
+          value: |-
+            ADAPTER=custom-adapter
+            HOST=custom-host