chore(deps): update step-security/harden-runner action to v2.7.1 (#223)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[step-security/harden-runner](https://togithub.com/step-security/harden-runner)
| action | patch | `v2.7.0` -> `v2.7.1` |

---

### Release Notes

<details>
<summary>step-security/harden-runner
(step-security/harden-runner)</summary>

###
[`v2.7.1`](https://togithub.com/step-security/harden-runner/releases/tag/v2.7.1)

[Compare
Source](https://togithub.com/step-security/harden-runner/compare/v2.7.0...v2.7.1)

##### What's Changed

Release v2.7.1 by
[@&#8203;varunsh-coder](https://togithub.com/varunsh-coder),
[@&#8203;h0x0er](https://togithub.com/h0x0er),
[@&#8203;ashishkurmi](https://togithub.com/ashishkurmi) in
[https://github.com/step-security/harden-runner/pull/397](https://togithub.com/step-security/harden-runner/pull/397)
This release:

- Improves the capability to [inspect outbound HTTPS
traffic](https://www.stepsecurity.io/blog/monitor-outbound-https-requests-from-github-actions-runners)
on GitHub-hosted and self-hosted VM runners
- Updates README to add link to [case study
video](https://www.youtube.com/watch?v=Yz72qAOrN9s) on how Harden-Runner
detected a supply chain attack on a Google open-source project
-   Addresses minor bugs

**Full Changelog**:
step-security/harden-runner@v2.7.0...v2.7.1

</details>

---

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---

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---

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.github/workflows/lint-pr.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@63c24ba6bd7ba022e95695ff85de572c04a18142 # v2.7.0
+        uses: step-security/harden-runner@a4aa98b93cab29d9b1101a6143fb8bce00e2eac4 # v2.7.1
         with:
           disable-sudo: true
           disable-file-monitoring: true

.github/workflows/scoreboard-security.yml

@@ -23,7 +23,7 @@ jobs:
 
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@63c24ba6bd7ba022e95695ff85de572c04a18142 # v2.7.0
+        uses: step-security/harden-runner@a4aa98b93cab29d9b1101a6143fb8bce00e2eac4 # v2.7.1
         with:
           disable-sudo: true
           egress-policy: block

.github/workflows/trufflehog.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Harden Runner
-        uses: step-security/harden-runner@63c24ba6bd7ba022e95695ff85de572c04a18142 # v2.7.0
+        uses: step-security/harden-runner@a4aa98b93cab29d9b1101a6143fb8bce00e2eac4 # v2.7.1
         with:
           disable-sudo: true
           egress-policy: audit