chore(deps): bump go to v1.26.7 (#679)

Update the Go toolchain requirement from 1.25.8 to 1.26.7.

Signed-off-by: Ryan Johnson <ryan.johnson@broadcom.com>

Author: tenthirtyam

README.md

@@ -28,7 +28,7 @@ Learn more:
     For general information about Terraform, visit [HashiCorp Developer][terraform-install] and
     [the project][terraform-github] on GitHub.
 
-* [Go 1.24.0][golang-install]
+* [Go 1.26.7][golang-install]
 
     Required, if [building][provider-build] and [testing][provider-test].
 

go.mod

@@ -1,6 +1,6 @@
 module github.com/vmware/terraform-provider-tanzu-mission-control
 
-go 1.25.8
+go 1.26.7
 
 require (
 	github.com/go-openapi/strfmt v0.25.0