upgrade gem grpc pacakge to apply cve fixes

[cpanato]

• kube-fluentd-operator: fix a few CVEs

grpc     1.52.0     1.53.0    gem   GHSA-6628-q6j9-w8vg  High
grpc     1.52.0     1.53.0    gem   GHSA-9hxf-ppjv-w6rq  Medium
grpc     1.52.0     1.53.0    gem   GHSA-cfgp-2977-2fmm  High

Related: wolfi-dev/advisories#102

Pre-review Checklist

For new package PRs only

• This PR is marked as fixing a pre-existing package request bug
  • Alternatively, the PR is marked as related to a pre-existing package request bug, such as a dependency
• REQUIRED - The package is available under an OSI-approved or FSF-approved license
• REQUIRED - The version of the package is still receiving security updates

For security-related PRs

• The security fix is recorded in the advisories repo