Release v0.3.10

Breaking Changes:

New Features:
Add IsHardened in launch spec: google#244
Add container logging redirect policy: google#249
Add SEV-SNP attestation support: google#240
Integrity-protect stateful partition on CS image: google#251
Retry launcher OIDC token refresh with backoff: google#261
Change restart policy behavior to reboot: google#260
Add ability to GetGCEInstanceInfo from a certificate: google#267

Bug Fixes:
COS event log: require CEL events to use PCR13, add a launch separator, and don't skip unknown events: google#246
Measure LaunchSeparator event: google#247
Skip unallocated PCR selections when reading all PCRs: google#258
Remove gRPC client and use of insecure credentials: google#262
Fix server.VerifyAttestation proto merging(google#263) and defer of os.Exit(google#264): google#265

Other Changes:
Add fake verifier client: google#234
Update CI Go Version to 1.19: google#241
Add launcher integration testing support: google#255
Test multi-writer PD creation disabled: google#256
Update go-sev-guest dependency to v0.2.6: google#259
Change OIDC retry policy to hourly and add jitter to refresh time: google#266
Add wrapper cloudbuild workflow to trigger image build and testing: google#269