10687: add envvar to omit snapshot writes on each state mutation r=dixler a=dixler
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# Description
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Fixes#10668
Provides an environment variable to override the internal behavior of the SnapshotManager to speed up large deployments by only writing the final state of the snapshot rather than the current behavior which saves every mutation to the snapshot to the state backend.
## Checklist
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- [x] I have added tests that prove my fix is effective or that my feature works
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- [x] I have updated the [CHANGELOG-PENDING](https://github.com/pulumi/pulumi/blob/master/CHANGELOG_PENDING.md) file with my change
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- [ ] Yes, there are changes in this PR that warrants bumping the Pulumi Service API version
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10729: ci: Fix package parallelism assignment r=AaronFriel a=AaronFriel
10740: Add missing `ProgramTestOptions` overrides in `With` r=justinvp a=justinvp
These options were previously added without also adding the override handling in `With`.
Co-authored-by: Kyle Dixler <kyle@pulumi.com>
Co-authored-by: Aaron Friel <mayreply@aaronfriel.com>
Co-authored-by: Justin Van Patten <jvp@justinvp.com>
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