Update Gradle, ZAP, and Java

[thc202]

Update Gradle Wrapper to 8.13 and plugins.
Update ZAP to 2.16.
Update dependencies.
Use Java 17 which is the one that ZAP is targeting.
Address deprecations in the build and in a test.

[psiinon]

Checkmarx One – Scan Summary & Details – 2b19e7d2-ad46-452b-a436-f2b87d6da1a0

New Issues (3)

Checkmarx found the following issues in this Pull Request

Severity	Issue	Source File / Package	Checkmarx Insight
	CVE-2020-13956	Maven-commons-httpclient:commons-httpclient-3.1	details Description: Apache HttpClient can misinterpret malformed authority component in request URIs passed to the library as java.net.URI object and pick the wrong ta... Attack Vector: NETWORK Attack Complexity: LOW Vulnerable Package
	Unpinned Actions Full Length Commit SHA	/codeql.yml: 34	details Pinning an action to a full length commit SHA is currently the only way to use an action as an immutable release. Pinning to a particular SHA helps...
	Unpinned Actions Full Length Commit SHA	/codeql.yml: 35	details Pinning an action to a full length commit SHA is currently the only way to use an action as an immutable release. Pinning to a particular SHA helps...

Fixed Issues (2)

Great job! The following issues were fixed in this Pull Request

Severity	Issue	Source File / Package
	Unpinned Actions Full Length Commit SHA	/codeql.yml: 27
	Unpinned Actions Full Length Commit SHA	/codeql.yml: 30

[ricekot]

Thanks!