mattermost,netskope,pulse_connect_secure,santa,symantec_endpoint: update manifest version format to v3.0.3

[efd6]

Proposed commit message

See title.

Checklist

• I have reviewed tips for building integrations and this pull request is aligned with them.
• I have verified that all data streams collect metrics or logs.
• I have added an entry to my package's changelog.yml file.
• I have verified that Kibana version constraints are current according to guidelines.

Author's Checklist

• [ ]

How to test this PR locally

Related issues

• For Update service integrations to package spec 3.0.2 to gain secrets validation #9237

Screenshots

[elasticmachine]

🚀 Benchmarks report

Package pulse_connect_secure 👍(0) 💚(0) 💔(1)

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Data stream	Previous EPS	New EPS	Diff (%)	Result
log	1612.9	1213.59	-399.31 (-24.76%)	💔

To see the full report comment with /test benchmark fullreport

[elasticmachine]

💚 Build Succeeded

• Buildkite Build
• Commit: 6ed38fc

cc @efd6

[elastic-sonarqube]

Quality Gate passed

Kudos, no new issues were introduced!

0 New issues
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarQube

[elasticmachine]

Pinging @elastic/security-service-integrations (Team:Security-Service Integrations)

[kcreddy]

LGTM 👍🏼

[elasticmachine]

Package mattermost - 1.18.0 containing this change is available at https://epr.elastic.co/search?package=mattermost

[elasticmachine]

Package netskope - 1.17.0 containing this change is available at https://epr.elastic.co/search?package=netskope

[elasticmachine]

Package pulse_connect_secure - 1.19.0 containing this change is available at https://epr.elastic.co/search?package=pulse_connect_secure

[elasticmachine]

Package santa - 3.17.0 containing this change is available at https://epr.elastic.co/search?package=santa

[elasticmachine]

Package symantec_endpoint - 2.15.0 containing this change is available at https://epr.elastic.co/search?package=symantec_endpoint