[test] Force more flags for Sparkplug OSR Test

This test relies on non-concurrent optimizations to precisely test
transitions between the different tiers.

Disable flags that invalidate this test:
--no-always-opt to test transiation from Ignition to Sparkplug
--deopt-every-n-times=0 to test transition from Sparkplug to TF

Bug: v8:11656
Change-Id: I85047015d3f7cfdf00bddad59c9742d5d8f5d223
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2827902
Auto-Submit: Patrick Thier <pthier@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73978}

test/mjsunit/baseline/test-osr.js

@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 // Flags: --allow-natives-syntax --sparkplug --no-always-sparkplug --use-osr
-// Flags: --opt
+// Flags: --opt --no-always-opt --deopt-every-n-times=0
 
 function isExecutingBaseline(func) {
   let opt_status = %GetOptimizationStatus(func);