[Snyk] Upgrade org.springframework:spring-expression from 4.0.6.RELEASE to 4.3.30.RELEASE

[snyk-bot]

Snyk has created this PR to upgrade org.springframework:spring-expression from 4.0.6.RELEASE to 4.3.30.RELEASE.

:information_source: Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

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• The recommended version is 54 versions ahead of your current version.
• The recommended version was released a year ago, on 2020-12-09.

The recommended version fixes:

Severity	Issue	PriorityScore (*)	Exploit Maturity
	Authentication Bypass SNYK-JAVA-ORGSPRINGFRAMEWORK-536316	525/1000 Why? Has a fix available, CVSS 7.5	No Known Exploit
	Reflected File Download SNYK-JAVA-ORGSPRINGFRAMEWORK-30165	525/1000 Why? Has a fix available, CVSS 7.5	No Known Exploit
	Improper Input Validation SNYK-JAVA-ORGSPRINGFRAMEWORK-1009832	525/1000 Why? Has a fix available, CVSS 7.5	No Known Exploit
	Denial of Service (DoS) SNYK-JAVA-ORGSPRINGFRAMEWORK-31328	525/1000 Why? Has a fix available, CVSS 7.5	No Known Exploit
	Directory Traversal SNYK-JAVA-ORGSPRINGFRAMEWORK-32202	525/1000 Why? Has a fix available, CVSS 7.5	No Known Exploit
	Directory Traversal SNYK-JAVA-ORGSPRINGFRAMEWORK-30169	525/1000 Why? Has a fix available, CVSS 7.5	No Known Exploit
	Denial of Service (DoS) SNYK-JAVA-ORGSPRINGFRAMEWORK-30164	525/1000 Why? Has a fix available, CVSS 7.5	No Known Exploit

(*) Note that the real score may have changed since the PR was raised.

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