Potentially fix workflows using net8 (#21841)

diff --git a/global.json b/global.json
new file mode 100644 (file)
index 0000000..6332295
--- /dev/null
+++ b/global.json
@@ -0,0 +1,6 @@
+{
+  "sdk": {
+    "version": "7.0.000",
+    "rollForward": "latestFeature"
+  }
+}