community/netpbm: upgrade to 11.3.4

Changes since 11.3.1

23.08.20 BJH  Release 11.03.04

              pgmtexture: Fix buffer overflow with maxval > 255.  Always
              broken.  Maxvals > 255 were possible starting in Netpbm 9.0
              (April 2000).

23.08.18 BJH  Release 11.03.03

              ppmfade: fix "file not found" crash for most fade modes.
              Introduced in Netpbm 10.98 (March 2022).

              ppmfade: fix incorrect block mode fade.  Always broken
              (ppmfade was new in Netpbm 8.4 (April 2000)).

              pamstack: Fail gracefully when total number of planes is too
              large for unsigned integer.  Always broken (Pamstack was new in
              Netpbm 10.0 (June 2002).

23.08.05 BJH  Release 11.03.02

              Fix -lcmmaxval fix in 11.03.01.

changed the description

added 22 commits

• ee364000...3e95e050 - 21 commits from branch alpine:master
• 2999535b - community/netpbm: upgrade to 11.3.4

Compare with previous version

merged