Stock noble on a Raspberry Pi Zero 2W:

```
bdrung@zero3:~$ sudo hyperfine -r 5 "update-initramfs -u"
Benchmark 1: update-initramfs -u
  Time (mean ± σ):     415.664 s ±  6.015 s    [User: 166.728 s, System: 
232.523 s]
  Range (min … max):   409.139 s … 422.632 s    5 runs
```

Replace duplicate calls in thin-provisioning-tools, lvm2, and
cryptsetup:

```
bdrung@zero3:~$ sudo hyperfine -r 5 "update-initramfs -u"
Benchmark 1: update-initramfs -u
  Time (mean ± σ):     375.805 s ±  5.753 s    [User: 140.586 s, System: 
218.345 s]
  Range (min … max):   369.914 s … 382.866 s    5 runs
```

Suggested further reduction of dracut-install calls via
https://code.launchpad.net/~bdrung/ubuntu/+source/initramfs-
tools/+git/initramfs-tools/+ref/ubuntu/devel:

```
$ sudo hyperfine -r 5 "update-initramfs -u"
Benchmark 1: update-initramfs -u
  Time (mean ± σ):     241.626 s ±  5.278 s    [User: 60.018 s, System: 166.183 
s]
  Range (min … max):   235.136 s … 249.194 s    5 runs
```

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https://bugs.launchpad.net/bugs/2065180

Title:
  performance regression in dracut-install 060

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