This change sets a region on the test datasource config to fix intermittent InvalidAMIID.NotFound errors.
Closes https://github.com/hashicorp/packer-internal-issues/issues/14
Failing results before change
```
> AWS_DEFAULT_REGION=us-west-1 make testacc
=== RUN TestAccInitAndBuildBasicAmazonAmiDatasource
2021/12/07 20:40:05 [INFO] AWS Auth provider used: "SharedCredentialsProvider"
2021/12/07 20:40:05 Found region us-west-1
2021/12/07 20:40:05 [INFO] AWS Auth provider used: "SharedCredentialsProvider"
pluginacc.go:143: Error running plugin acceptance tests: Bad exit code. Logfile: packer_log_amazon-ami_basic_datasource_test.txt
Logs can be found at /Users/wilkenrivera/Development/packer/acctest/plugin/packer_log_amazon-ami_basic_datasource_test.txt
and the acceptance test template can be found at /Users/wilkenrivera/Development/packer/acctest/plugin/amazon-ami_basic_datasource_test.pkr.hcl
--- FAIL: TestAccInitAndBuildBasicAmazonAmiDatasource (9.87s)
FAIL
FAIL github.com/hashicorp/packer/acctest/plugin 10.326s
```
Passing results after change
```
> AWS_DEFAULT_REGION=us-west-1 make testacc
=== RUN TestAccInitAndBuildBasicAmazonAmiDatasource
2021/12/07 20:47:28 [INFO] AWS Auth provider used: "SharedCredentialsProvider"
2021/12/07 20:47:28 Found region us-west-1
2021/12/07 20:47:28 [INFO] AWS Auth provider used: "SharedCredentialsProvider"
--- PASS: TestAccInitAndBuildBasicAmazonAmiDatasource (223.32s)
PASS
```
* Update plugin directory check for ci
On CIRCLECI the default plugin direction is under `$HOME/.config/packer`
this changes updates the acctest just a bit to check if we are running
in a CIRCLECI env.
* Apply same logic to cleanup step
* Upgrade plugins to latest working versions
* Update accetest to work with new AMIHelper
* More updates
* More plugin updates
* bump MANY plugins at once !
* up docker plugin && go mod tidy
* up vmware plugin to v1.0.0
* Bump packer-plugin-azure to latest
* Update tencentcloud plugin
* Update packer-plugin-oneandone
Co-authored-by: Adrien Delorme <azr@users.noreply.github.com>