ci: try simplify windows test preparation with bazel 7

Simplifies the windows symlink script and fixes potential issues related
to concurrency that might have caused "module not find" errors at test
execution later.

(cherry picked from commit 71832ea)

Author: devversion

.bazelrc

@@ -52,9 +52,6 @@ build --experimental_remote_merkle_tree_cache
 # Ensure that tags applied in BUILDs propagate to actions
 common --experimental_allow_tags_propagation
 
-# Don't check if output files have been modified
-build --noexperimental_check_output_files
-
 # Ensure sandboxing is enabled even for exclusive tests
 test --incompatible_exclusive_test_sandboxed
 

.bazelversion

@@ -1 +1 @@
-7.4.0
+7.6.0