Updating the CSI_UPGRADE_VERSION to the latest release.

Signed-off-by: karthik-us <ksubrahm@redhat.com>

we dont need a new mergify rule for
3.11 branch and the default mergirfy
with regex for `^(release-.+)$` branch
will cover it.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

dependabot will not create PR on the
release branch and for that reason
removing unused rule

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

auto merge for release-3.11 is already
convered with regex check and we cannot
auto merge PR to the devel branch.
Removing unwanted checks.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>