Update johly/airtrail Docker tag to v3.12.0

Signed-off-by: Marcus Noble <github@marcusnoble.co.uk>

manifests/airtrail/airtrail.yaml

@@ -53,7 +53,7 @@ spec:
         fsGroup: 1000
       containers:
       - name: airtrail
-        image: johly/airtrail:v3.11.1
+        image: johly/airtrail:v3.12.0
         imagePullPolicy: IfNotPresent
         envFrom:
         - configMapRef:

manifests/link/link.yaml

@@ -45,6 +45,8 @@ data:
     cdh26: https://speaking.marcusnoble.co.uk/dvat0w/kube-oddities-the-quirks-that-keep-kubernetes-interesting-marcus-noble-mark-sagi-kazar
     kcdsofia26: https://speaking.marcusnoble.co.uk/GFJgtL/kube-oddities-the-quirks-that-keep-kubernetes-interesting-marcus-noble-mark-sagi-kazar
     cndpoland26: https://speaking.marcusnoble.co.uk/sZ2Ulk/kube-oddities-the-quirks-that-keep-kubernetes-interesting-marcus-noble-mark-sagi-kazar
+    kcduk2026: https://speaking.marcusnoble.co.uk/Xpj6t6/pod-deep-dive-the-interesting-bits
+    kcduk2026-feedback: https://yay-or-nay.cluster.fun/feedback/BS01AM1M
 ---
 apiVersion: v1
 kind: Service