internal: skip apidiff until https://github.com/golang/go/issues/34849 is fixed

Change-Id: I1feb4ba90352c93b0a0beca6046c2821b23cdf02
Reviewed-on: https://code-review.googlesource.com/c/gocloud/+/46790
Reviewed-by: Noah Dietz <ndietz@google.com>
diff --git a/internal/kokoro/check_incompat_changes.sh b/internal/kokoro/check_incompat_changes.sh
index c87377a..c0c11a2 100755
--- a/internal/kokoro/check_incompat_changes.sh
+++ b/internal/kokoro/check_incompat_changes.sh
@@ -13,6 +13,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# Skipped until https://github.com/golang/go/issues/34849 is resolved.
+exit 0
+
 # Display commands being run
 set -x