Update postgresql-ha Docker tag to v13.6.1

This MR contains the following updates:

Package	Update	Change
postgresql-ha (source)	minor	13.4.5 -> 13.6.1

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Release Notes

bitnami/charts (postgresql-ha)

v13.6.1

• [bitnami/postgresql-ha] Release 13.6.1 updating components versions (#​24236) (495a5bb), closes #​24236

v13.6.0

• [bitnami/postgresql-ha] feat: ✨ 🔒 Add automatic adaptation for Openshift restricted-v2 (7cf0dcf), closes #​24142

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