Update Tailscale operator version and adjust Feedcord settings

This commit updates the Tailscale operator Helm release version from 1.88.4 to 1.90.6, ensuring the use of the latest features and fixes. Additionally, it modifies the Feedcord appsettings.json to include a new RSS feed URL and changes the RSS check interval from 5 to 15 minutes for improved performance.

Author: rajsinghtech

clusters/common/apps/tailscale/operator/helmrelease.yaml

@@ -8,7 +8,7 @@ spec:
   chart:
     spec:
       chart: tailscale-operator
-      version: 1.88.4
+      version: 1.90.6
       sourceRef:
         kind: HelmRepository
         name: tailscale

clusters/talos-ottawa/apps/media/app/feedcord/appsettings.json

@@ -4,10 +4,11 @@
       "Id": "OpenTrackers",
       "DiscordWebhookUrl": "${FEEDCORD_DISCORD_WEBHOOK}",
       "RssUrls": [
-        "https://opentrackers.org/feed/"
+        "https://opentrackers.org/feed/",
+        "https://tailscale.com/changelog/index.xml"
       ],
       "YoutubeUrls": [""],
-      "RssCheckIntervalMinutes": 5,
+      "RssCheckIntervalMinutes": 15,
       "Color": 8411391,
       "DescriptionLimit": 250,
       "Forum": false