Gitea backup speed for tar, zst, bz2, etcetc

gistfile1.txt

I have 3 smallish repositories:

```
Repository Size 943 KiB
Repository Size 857 KiB
Repository Size 6.0 MiB
```


Gitea backup speed for each of the commands:

```sh
/app/gitea/gitea dump -c /data/gitea/conf/app.ini --file /backups/bk_foo.tar --type tar
/app/gitea/gitea dump -c /data/gitea/conf/app.ini --file /backups/bk_foo.tar.br --type tar.br
/app/gitea/gitea dump -c /data/gitea/conf/app.ini --file /backups/bk_foo.tar.bz2 --type tar.bz2
/app/gitea/gitea dump -c /data/gitea/conf/app.ini --file /backups/bk_foo.tar.gz --type tar.gz
/app/gitea/gitea dump -c /data/gitea/conf/app.ini --file /backups/bk_foo.tar.lz4 --type tar.lz4
/app/gitea/gitea dump -c /data/gitea/conf/app.ini --file /backups/bk_foo.tar.sz --type tar.sz
/app/gitea/gitea dump -c /data/gitea/conf/app.ini --file /backups/bk_foo.tar.xz --type tar.xz
/app/gitea/gitea dump -c /data/gitea/conf/app.ini --file /backups/bk_foo.tar.zst --type tar.zst
```

.tar
Size: `8.2mb`
time: `0.02s user 0.01s system 8% cpu 0.297 total`

.tar.br
Size: `7.1mb`
time: `0.01s user 0.01s system 3% cpu 0.726 total`

tar.bz2
Size: `7.5mb`
time: `0.02s user 0.01s system 0% cpu 2.745 total`

tar.gz
Size: `7.4mb`
time: `0.01s user 0.01s system 7% cpu 0.264 total`

tar.lz4
Size: `7.6mb`
time: `0.01s user 0.01s system 5% cpu 0.340 total`

sz
Size: `7.6mb`
time: `0.02s user 0.01s system 10% cpu 0.261 total`

xz
Size: `7.0mb`
time: `0.01s user 0.01s system 0% cpu 4.740 total`

zst (no env variables)
Size: `7.2mb`
time: `0.01s user 0.01s system 6% cpu 0.310 total`