Backport of Fix audit log parse error into release/1.2.x

[hc-github-team-consul-core]

Backport

This PR is auto-generated from #2905 to be assessed for backporting due to the inclusion of the label backport/1.2.x.

The below text is copied from the body of the original PR.

---

Changes proposed in this PR:

• Fixes a bug in parsing the following audit log helm configuration

server:
  auditLogs:
      enabled: true
      sinks:
        - name: My Sink
          type: file
          format: json
          path: /tmp/audit.json
          delivery_guarantee: best-effort
          rotate_duration: 24h
          rotate_max_files: 15
          rotate_bytes: 25165824

where rotate_max_files and rotate_bytes get passed as string inputs to the server configuration file. This PR makes sure to perform special handling for rotate_max_files and rotate_bytes where they don't get passed with quotes.

Generated config (Before the fix)

    {
      "audit": {
        "enabled": true,
        "sink": {
          "MySink": {
              "delivery_guarantee": "best-effort",
              "format": "json",
              "path": "/tmp/audit.json",
              "rotate_bytes": "12455355", // note the presence of braces here
              "rotate_duration": "24h",
              "rotate_max_files": "20",
              "type": "file"
          }
        }
      }
    }

Generated config (After the fix)

    {
      "audit": {
        "enabled": true,
        "sink": {
          "MySink": {
              "delivery_guarantee": "best-effort",
              "format": "json",
              "path": "/tmp/audit.json",
              "rotate_bytes": 12455355, // note the absence of braces here
              "rotate_duration": "24h",
              "rotate_max_files": 20,
              "type": "file"
          }
        }
      }
    }

How I've tested this PR:

1. CI
2. Verified manually that the server no longer crashes with this issue.

How I expect reviewers to test this PR:

👀

Checklist:

• Tests added
• CHANGELOG entry added

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Overview of commits

• a2a9d9e - 8fcf11d - fab24b8 - 01c45ce

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---

19 out of 20 committers have signed the CLA.

• hc-github-team-consul-core
• curtbushko
• nathancoleman
• zalimeni
• t-eckert
• missylbytes
• hashi-derek
• rigalGit
• wilkermichael
• sarahalsmiller
• jm96441n
• aahel
• DanStough
• Ganeshrockz
• david-yu
• trevorLeonHC
• kisunji
• sophie-gairo
• absolutelightning
• Paul Glass

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[david-yu]

Looks like this failed, and needs a manual backport.