Fix broken manifest workflow

[prudhvigodithi]

Description

Fix broken manifest workflow: https://build.ci.opensearch.org/job/manifest-update/49/console
and modify the code to update the osd-increment-plugin-versions.yml workflow with new branch entry.

Issues Resolved

#3610

Test on local

Updated the workflow files

Adding 2.9 to /usr/share/opensearch/git/opensearch-build/.github/workflows/os-increment-plugin-versions.yml
2023-06-08 21:48:16 INFO     Added new version to the version increment workflow
Adding 2.9 to /usr/share/opensearch/git/opensearch-build/.github/workflows/osd-increment-plugin-versions.yml
2023-06-08 21:48:16 INFO     Added new version to the version increment workflow

git status: Added new manifests

# On branch main
# Changes not staged for commit:
#   (use "git add <file>..." to update what will be committed)
#   (use "git checkout -- <file>..." to discard changes in working directory)
#
#	modified:   .github/workflows/os-increment-plugin-versions.yml
#	modified:   .github/workflows/osd-increment-plugin-versions.yml
#	modified:   jenkins/check-for-build.jenkinsfile
#
# Untracked files:
#   (use "git add <file>..." to include in what will be committed)
#
#	manifests/2.8.1/
#	manifests/2.9.0/

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[codecov]

Codecov Report

Merging #3609 (6d95744) into main (35398b9) will decrease coverage by 0.02%.
The diff coverage is 19.23%.

@@            Coverage Diff             @@
##             main    #3609      +/-   ##
==========================================
- Coverage   91.49%   91.48%   -0.02%     
==========================================
  Files         181      181              
  Lines        5376     5380       +4     
==========================================
+ Hits         4919     4922       +3     
- Misses        457      458       +1     

Impacted Files	Coverage Δ
src/manifests_workflow/input_manifests.py	83.44% <19.23%> (-0.23%)	⬇️

[rishabh6788]

Please replace print with logging if required.