feat(container)!: Update docker.io/library/eclipse-temurin Docker tag (21 → 26)

| datasource | package                           | from | to |
| ---------- | --------------------------------- | ---- | -- |
| docker     | docker.io/library/eclipse-temurin | 21   | 26 |

Author: erhardt-consulting-bot

Dockerfile

@@ -20,7 +20,7 @@ RUN mvn clean package -DskipTests
 # -----------------------------
 # Stage 2: Runtime
 # -----------------------------
-FROM docker.io/library/eclipse-temurin:21-jre@sha256:02df6e67e0d0ba516810a238629ae194e1d88cd6c75674bc74fc7030763ee0b6
+FROM docker.io/library/eclipse-temurin:26-jre@sha256:e99e810708d6a256e7462b4aac3b1e9c78f0e4a345ca083d7347512d92bb94a7
 
 # Install dependencies
 RUN set -eux; \