Catch exception instead of shutting down in date processor

[graytaylor0]

Description

This change makes it so the date processor hitting an exception does not shut down the pipeline, and instead catches the exception and continues on to the next Event, instead of skipping the remainder of the Events in a batch

Issues Resolved

Resolves #4107

Check List

• New functionality includes testing.
• New functionality has a documentation issue. Please link to it in this PR.
  • New functionality has javadoc added
• Commits are signed with a real name per the DCO

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[dlvenable]

Please add some unit tests. One simple one would be to mock the ExpressionEvaluator to throw a RuntimeException on the first call and then return true on the second. Verify that the second event is processed.

[dlvenable]

Thanks!

[opensearch-trigger-bot]

The backport to 2.6 failed:

The process '/usr/bin/git' failed with exit code 1

To backport manually, run these commands in your terminal:

# Fetch latest updates from GitHub
git fetch
# Create a new working tree
git worktree add .worktrees/backport-2.6 2.6
# Navigate to the new working tree
cd .worktrees/backport-2.6
# Create a new branch
git switch --create backport/backport-4108-to-2.6
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x --mainline 1 0841ac17ae18a76610842be3c0ff3b0b0dc1e453
# Push it to GitHub
git push --set-upstream origin backport/backport-4108-to-2.6
# Go back to the original working tree
cd ../..
# Delete the working tree
git worktree remove .worktrees/backport-2.6

Then, create a pull request where the base branch is 2.6 and the compare/head branch is backport/backport-4108-to-2.6.