[Snyk] Security upgrade commons-fileupload:commons-fileupload from 1.3.3 to 1.5

[snyk-bot]

Snyk has created this PR to fix one or more vulnerable packages in the `maven` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • samples/photo_album_gae/pom.xml

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Upgrade	Breaking Change	Exploit Maturity
	651/1000 Why? Mature exploit, Has a fix available, CVSS 5.3	Directory Traversal SNYK-JAVA-COMMONSIO-1277109	commons-fileupload:commons-fileupload: 1.3.3 -> 1.5	No	Mature

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

Check the changes in this PR to ensure they won't cause issues with your project.

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