grub2.spec: bump release number

Previous commit did not bump the release from 87 to 88, so bump it
this time.

Signed-off-by: Leo Sandoval <lsandova@redhat.com>

grub2.spec

@@ -16,7 +16,7 @@
 Name:		grub2
 Epoch:		1
 Version:	2.06
-Release:	87%{?dist}
+Release:	89%{?dist}
 Summary:	Bootloader with support for Linux, Multiboot and more
 License:	GPLv3+
 URL:		http://www.gnu.org/software/grub/
@@ -540,6 +540,10 @@ mv ${EFI_HOME}/grub.cfg.stb ${EFI_HOME}/grub.cfg
 %endif
 
 %changelog
+* Thu Aug 1 2024 Leo Sandoval <lsandova@redhat.com> - 2.06-89
+- Bump release number
+- Resolves: #RHEL-45870
+
 * Wed Jul 31 2024 Leo Sandoval <lsandova@redhat.com> - 2.06-88
 - grub.cfg: Fix rpm grub.cfg verification issues
 - Resolves: #RHEL-45870