build: Use go1.22.3 toolchain to mitigate vulnerabilties (#628)

**What problem does this PR solve?**:

Fixes vulnerabilities fixed in go 1.22.3 highlighted in govlncheck on
main at
https://github.com/nutanix-cloud-native/cluster-api-runtime-extensions-nutanix/actions/runs/8996575987/job/24713298807#step:4:17.

**Which issue(s) this PR fixes**:
Fixes #

**How Has This Been Tested?**:
<!--
Please describe the tests that you ran to verify your changes.
Provide output from the tests and any manual steps needed to replicate
the tests.
-->

**Special notes for your reviewer**:
<!--
Use this to provide any additional information to the reviewers.
This may include:
- Best way to review the PR.
- Where the author wants the most review attention on.
- etc.
-->

Author: jimmidyson

api/go.mod

@@ -5,7 +5,7 @@ module github.com/nutanix-cloud-native/cluster-api-runtime-extensions-nutanix/ap
 
 go 1.21
 
-toolchain go1.22.2
+toolchain go1.22.3
 
 replace github.com/nutanix-cloud-native/cluster-api-runtime-extensions-nutanix/common => ../common
 

common/go.mod

@@ -5,7 +5,7 @@ module github.com/nutanix-cloud-native/cluster-api-runtime-extensions-nutanix/co
 
 go 1.21
 
-toolchain go1.22.2
+toolchain go1.22.3
 
 replace github.com/nutanix-cloud-native/cluster-api-runtime-extensions-nutanix/api => ../api
 

go.mod

@@ -5,7 +5,7 @@ module github.com/nutanix-cloud-native/cluster-api-runtime-extensions-nutanix
 
 go 1.21
 
-toolchain go1.22.2
+toolchain go1.22.3
 
 replace (
 	github.com/nutanix-cloud-native/cluster-api-runtime-extensions-nutanix/api => ./api