add integration key

[roncitrus]

A reference to the issue / Description of it

missing pagerduty integration key

How does this PR fix the problem?

adds pagerduty integration key

How has this been tested?

Please describe the tests that you ran and provide instructions to reproduce.

Deployment Plan / Instructions

Will this deployment impact the platform and / or services on it?

Checklist (check x in [ ] of list items)

• [ x] I have performed a self-review of my own code
• [ x] All checks have passed
• [ x] I have made corresponding changes to the documentation
• [ x] Plan and discussed how it should be deployed to PROD (If needed)

Additional comments (if any)

{Please write here}

[github-actions]

Trivy Scan Success

Show Output

```hcl

---

Trivy will check the following folders:
terraform/pagerduty

---

Running Trivy in terraform/pagerduty
2024-07-05T15:34:09Z INFO Need to update DB
2024-07-05T15:34:09Z INFO Downloading DB... repository="ghcr.io/aquasecurity/trivy-db:2"
2024-07-05T15:34:11Z INFO Vulnerability scanning is enabled
2024-07-05T15:34:11Z INFO Misconfiguration scanning is enabled
2024-07-05T15:34:11Z INFO Need to update the built-in policies
2024-07-05T15:34:11Z INFO Downloading the built-in policies...
74.86 KiB / 74.86 KiB [-----------------------------------------------------------] 100.00% ? p/s 0s2024-07-05T15:34:11Z INFO Secret scanning is enabled
2024-07-05T15:34:11Z INFO If your scanning is slow, please try '--scanners vuln' to disable secret scanning
2024-07-05T15:34:11Z INFO Please see also https://aquasecurity.github.io/trivy/v0.53/docs/scanner/secret#recommendation for faster secret detection
2024-07-05T15:34:12Z INFO Number of language-specific files num=0
2024-07-05T15:34:12Z INFO Detected config files num=3
trivy_exitcode=0

</details> #### `Checkov Scan` Success
<details><summary>Show Output</summary>

```hcl

*****************************

Checkov will check the following folders:
terraform/pagerduty

*****************************

Running Checkov in terraform/pagerduty
Excluding the following checks: CKV_GIT_1,CKV_AWS_126,CKV2_AWS_38,CKV2_AWS_39
terraform scan results:

Passed checks: 27, Failed checks: 0, Skipped checks: 10


checkov_exitcode=0

CTFLint Scan Success

Show Output

*****************************

Setting default tflint config...
Running tflint --init...
Installing "terraform" plugin...
Installed "terraform" (source: github.com/terraform-linters/tflint-ruleset-terraform, version: 0.5.0)
tflint will check the following folders:
terraform/pagerduty

*****************************

Running tflint in terraform/pagerduty
Excluding the following checks: terraform_unused_declarations
tflint_exitcode=0

Trivy Scan Success

Show Output

*****************************

Trivy will check the following folders:
terraform/pagerduty

*****************************

Running Trivy in terraform/pagerduty
2024-07-05T15:34:09Z	INFO	Need to update DB
2024-07-05T15:34:09Z	INFO	Downloading DB...	repository="ghcr.io/aquasecurity/trivy-db:2"
2024-07-05T15:34:11Z	INFO	Vulnerability scanning is enabled
2024-07-05T15:34:11Z	INFO	Misconfiguration scanning is enabled
2024-07-05T15:34:11Z	INFO	Need to update the built-in policies
2024-07-05T15:34:11Z	INFO	Downloading the built-in policies...
74.86 KiB / 74.86 KiB [-----------------------------------------------------------] 100.00% ? p/s 0s2024-07-05T15:34:11Z	INFO	Secret scanning is enabled
2024-07-05T15:34:11Z	INFO	If your scanning is slow, please try '--scanners vuln' to disable secret scanning
2024-07-05T15:34:11Z	INFO	Please see also https://aquasecurity.github.io/trivy/v0.53/docs/scanner/secret#recommendation for faster secret detection
2024-07-05T15:34:12Z	INFO	Number of language-specific files	num=0
2024-07-05T15:34:12Z	INFO	Detected config files	num=3
trivy_exitcode=0