fix(CI): Update go version to 1.26 (#70)

Signed-off-by: Alexander Dahmen <alexander.dahmen@inovex.de>

Author: Fyusel

.github/workflows/sdk-pr.yaml

@@ -7,7 +7,7 @@ on:
   workflow_dispatch:
 
 env:
-  GO_VERSION: "1.25"
+  GO_VERSION: "1.26"
   JAVA_VERSION: "17"
 
 jobs: