Skip examples that are opting out

Signed-off-by: Nelo-T. Wallus <red.brush9525@fastmail.com>
Signed-off-by: Nelo-T. Wallus <n.wallus@sap.com>

Author: ntnn

.github/workflows/ci.yml

@@ -106,7 +106,10 @@ jobs:
         run: |
           {
             echo -n 'examples=['
-            find examples -mindepth 1 -maxdepth 1 -type d -printf '"%f",'
+            for example in $(find examples -mindepth 1 -maxdepth 1 -type d -printf '%f'); do
+              [[ -f "example/$example/.noexample" ]] && continue
+              echo -n "\"$example\","
+            done
             echo -n ']'
           } > "$GITHUB_OUTPUT"
           sed -i 's#,]#]#' "$GITHUB_OUTPUT"