[PF-1761] Bump bumper GHA to 0.0.6

[yonghaoy]

Bumber is broken with this error “fatal: unsafe repository ('/github/workspace' is owned by someone else)“

It is related with actions/checkout#760

bumber 0.0.6 fix the issue.

[codecov]

Codecov Report

Merging #6 (db164e7) into main (d4e2356) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main       #6   +/-   ##
=======================================
  Coverage   60.00%   60.00%           
=======================================
  Files           2        2           
  Lines           5        5           
=======================================
  Hits            3        3           
  Misses          2        2           

Flag	Coverage Δ
unittests	60.00% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update d4e2356...db164e7. Read the comment docs.