bump(deps): go 1.25.8 and x-repos (#2140)

Merge pull request #2115 from hashicorp/compliance/update-headers-batch-1

Merge pull request #2136 from hashicorp/aswanidutt/VAULT-38829-Vault-Agent-retrybackoff-config

adding local variable for seconds convert

format cleanup

trying to minimize the test case changes wrt formatting

pr comments update

pr feedback comments

pr feedback

Update dependency/vault_common_test.go

Update dependency/vault_common_test.go

cleaning up

using the default config_retry instead of custom retry

nomadVar: return map values instead of pointers when reading map items (#2133)

fixing linter