Update terraform monorepo to v1.15.5

[renovate]

This PR contains the following updates:

Package	Update	Change	Pending
hashicorp/terraform	minor	1.14.3 → 1.15.5	1.15.6

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Release Notes

hashicorp/terraform (hashicorp/terraform)

v1.15.5

Compare Source

1.15.5 (May 27, 2026)

ENHANCEMENTS:

• Support for module version evaluating to null (in the context of dynamic module sources) (#​38632)

BUG FIXES:

• Fix crash on init for modules with empty source (#​38628)

v1.15.4

Compare Source

1.15.4 (May 20, 2026)

NEW FEATURES:

• We now produce builds for Linux s390x (zLinux) (#​38615)

BUG FIXES:

• init: Prevent provider binaries from being installed into symlinked directories (#​38611)

v1.15.3

Compare Source

1.15.3 (May 13, 2026)

BUG FIXES:

• stacks: Fixed a bug that prevented migrating resources under multiple layers of module nesting with implicit provider configuration. (#​38528)

• cloud backend will now forward -generate-config-out flag usage to query create request (#​38539)

• Fix crash during provider installation when there is no config (#​38560)

v1.15.2

Compare Source

1.15.2 (May 6, 2026)

ENHANCEMENTS:

• stacks: add ouput values to plan component instance change description (#​38360)

BUG FIXES:

• Avoid printing warnings from 'terraform output -json' (#​38530)

v1.15.1

Compare Source

1.15.1 (May 1, 2026)

BUG FIXES:

• Fixed crash when configuration has an invalid action_trigger nested block in data or ephemeral lifecycle blocks (#​38402)

• validate: Removed validation of attributes inside backend blocks due to incompatibility with workflows using the -backend-config flag. (#​38466)

• Fix non-const variable checks on init (#​38470)

• Avoid warnings in 'terraform output -raw' (#​38487)

• Ignore undeclared variable values from the cloud backend (#​38490)

• Fix panic for types modules with no expanded instances (#​38491)

• Fixed "unknown provider function" errors occurring during init (#​38472)

• init: Fixed a bug that impacted use of provider pre-releases during init (#​38496)

v1.15.0

Compare Source

v1.14.9

Compare Source

1.14.9 (April 20, 2026)

BUG FIXES:

• Fix Terraform Stacks plugin installation error (#​38406)

v1.14.8

Compare Source

1.14.8 (March 25, 2026)

BUG FIXES:

• Prevent crash in the display of relevant attributes after provider upgrades (#​38264)

v1.14.7

Compare Source

1.14.7 (March 11, 2026)

NOTES:

• Bump Go version to 1.25.8 to suppress security scanner false positives (#​38249)

v1.14.6

Compare Source

1.14.6 (February 25, 2026)

BUG FIXES:

• terraform test: return error when provider config is invalid (#​38084)

v1.14.5

Compare Source

1.14.5 (February 11, 2026)

BUG FIXES:

• Fixed an issue where terraform stacks validate was failing to resolve relative paths for modules (#​38025)

v1.14.4

Compare Source

1.14.4 (January 28, 2026)

BUG FIXES:

• backend: Fix nil pointer dereference crash during terraform init when the destination backend returns an error (#​38027)

• Fixes an issue where any warning diagnostics generated during terraform query execution failed to render in the cloud backend session (#​38040)

• actions in modules without instances failed the plan graph (#​38089)

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