Fix regex for publishing v2 image

[yurishkuro]

Which problem is this PR solving?

• Release attempt did not publish v2 image

[[ v2.0.0-rc1 =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]
+ echo 'skipping docker images upload, because not on tagged release or main branch'

Description of the changes

• Fix the regex to include -rc suffix

How was this change tested?

• CI

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.81%. Comparing base (e047f20) to head (8ced72e).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5988   +/-   ##
=======================================
  Coverage   96.81%   96.81%           
=======================================
  Files         345      345           
  Lines       16523    16523           
=======================================
  Hits        15996    15996           
  Misses        340      340           
  Partials      187      187           

Flag	Coverage Δ
badger_v1	8.02% <ø> (ø)
badger_v2	1.82% <ø> (ø)
cassandra-4.x-v1	16.61% <ø> (ø)
cassandra-4.x-v2	1.75% <ø> (ø)
cassandra-5.x-v1	16.61% <ø> (ø)
cassandra-5.x-v2	1.75% <ø> (ø)
elasticsearch-6.x-v1	18.77% <ø> (-0.02%)	⬇️
elasticsearch-7.x-v1	18.84% <ø> (ø)
elasticsearch-8.x-v1	19.04% <ø> (ø)
elasticsearch-8.x-v2	1.81% <ø> (-0.02%)	⬇️
grpc_v1	9.52% <ø> (+0.01%)	⬆️
grpc_v2	7.15% <ø> (ø)
kafka-v1	9.74% <ø> (ø)
kafka-v2	1.82% <ø> (ø)
memory_v2	1.81% <ø> (ø)
opensearch-1.x-v1	18.89% <ø> (ø)
opensearch-2.x-v1	18.88% <ø> (-0.02%)	⬇️
opensearch-2.x-v2	1.81% <ø> (ø)
tailsampling-processor	0.46% <ø> (ø)
unittests	95.29% <ø> (ø)

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