Update hashicorp/terraform Docker tag to v0.13.5

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
hashicorp/terraform	stage	patch	0.13.4 -> 0.13.5

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Release Notes

hashicorp/terraform

v0.13.5

Compare Source

0.13.5 (October 21, 2020)

BUG FIXES:

• terraform: fix issue where the provider configuration was not properly attached to the configured provider source address by localname (#​26567)
• core: fix a performance issue when a resource contains a very large and deeply nested schema (#​26577)
• backend/azurerm: fix an issue when using the metadata host to lookup environments (#​26463)

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