[SnapshotV2] SnapshotInfo pinned timestamp version change to V_2_17_0

[anshu1106]

Description

This PR changes SnapshotInfo pinned timestamp version to V_2_17_0 for ser/der. The SnapshotInfo changes were introduced in #15124

Related Issues

Resolves #[Issue number to be closed when this PR is merged]

Check List

• Functionality includes testing.
• API changes companion pull request created, if applicable.
• Public documentation issue/PR created, if applicable.

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[github-actions]

✅ Gradle check result for 8bbb6db: SUCCESS

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 71.82%. Comparing base (7a9cb35) to head (8bbb6db).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
...in/java/org/opensearch/snapshots/SnapshotInfo.java	0.00%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main   #15616      +/-   ##
============================================
- Coverage     71.83%   71.82%   -0.01%     
- Complexity    63932    63961      +29     
============================================
  Files          5258     5258              
  Lines        299329   299354      +25     
  Branches      43259    43261       +2     
============================================
+ Hits         215010   215011       +1     
- Misses        66587    66621      +34     
+ Partials      17732    17722      -10     

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[opensearch-trigger-bot]

The backport to 2.x failed:

The process '/usr/bin/git' failed with exit code 128

To backport manually, run these commands in your terminal:

# Navigate to the root of your repository
cd $(git rev-parse --show-toplevel)
# Fetch latest updates from GitHub
git fetch
# Create a new working tree
git worktree add ../.worktrees/OpenSearch/backport-2.x 2.x
# Navigate to the new working tree
pushd ../.worktrees/OpenSearch/backport-2.x
# Create a new branch
git switch --create backport/backport-15616-to-2.x
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x --mainline 1 c62626d25430bea94123d6176caef56ae94deb3f
# Push it to GitHub
git push --set-upstream origin backport/backport-15616-to-2.x
# Go back to the original working tree
popd
# Delete the working tree
git worktree remove ../.worktrees/OpenSearch/backport-2.x

Then, create a pull request where the base branch is 2.x and the compare/head branch is backport/backport-15616-to-2.x.