[BUG] ox-html: incorrect figure numbers [9.6 ( @ /home/contrapunctus/.emacs.d/elpa/org-9.6/)]

[contrapunctus]

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------------------------------------------------------------------------

I have the following test file -
```org
#+CAPTION: caption 1
[[file:img/orig/img1.jpg][file:img/small/img1.jpg]]
#+CAPTION: caption 2
[[file:img/orig/img2.jpg][file:img/small/img2.jpg]]
#+CAPTION: caption 3
[[file:img/orig/img3.jpg][file:img/small/img3.jpg]]
#+CAPTION: caption 4
[[file:img/orig/img4.jpg][file:img/small/img4.jpg]]
...
```

With Org v9.5.5, M-x org-html-export-to-html numbers each caption as -

Figure 1: caption 1
Figure 2: caption 2
Figure 3: caption 3
Figure 4: caption 4
...

But with Org v9.6, M-x org-html-export-to-html numbers each caption as -

Figure 1: caption 1
Figure 2: caption 2
Figure 1: caption 3
Figure 1: caption 4
...

Emacs  : GNU Emacs 28.2 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.35, 
cairo version 1.16.0)
 of 2022-12-20, modified by Debian
Package: Org mode version 9.6 ( @ /home/contrapunctus/.emacs.d/elpa/org-9.6/)