upgrade pg from 11 to 16 and postgis

[Bekir Niyaz]

Hello,
Im trying to update pg11 to pg16 (and postgis from 2.5 to 3.3) but my server oracle linux 7 which doesnt support pg16.
Then I upgraded ora linux to 8, but now pg repos doesnt support pg11.
Then I installed archive repo  (pgdg11-archive) to install pg11 binaries. It is working well but upgrade os deleted all pg11 and related binaries including postgis2.5

Now when I running pg_upgrade --check it says me there no postgis2.5 packages.
In database: test
could not load library "$libdir/postgis-2.5": ERROR:  could not access file "$libdir/postgis-2.5": No such file or directory
When I trying to install postgis getting

[cid:ec8deba8-dc64-4126-9eb8-9fd7276661ea]

Enabled repo list
[cid:05f26214-12a5-4f2f-b4a3-958e6d171cbe]

Q1 : how to solve dependency error, even there enabled epel repo?
Q2: why in below list doesnt exist postgis33_16.x86_64 packages ?

[cid:b4262d19-d47a-4760-8974-71c989119f3a]


Best regards.

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