Update pyvo requirement from ~=1.1 to ~=1.2

Updates the requirements on [pyvo](https://github.com/astropy/pyvo) to permit the latest version.
- [Release notes](https://github.com/astropy/pyvo/releases)
- [Changelog](https://github.com/astropy/pyvo/blob/main/CHANGES.rst)
- [Commits](astropy/pyvo@v1.1...v1.2)

---
updated-dependencies:
- dependency-name: pyvo
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -18,7 +18,7 @@ pandas~=1.3
 panel~=0.12
 photutils>=0.7
 python_dateutil~=2.8
-pyvo~=1.1
+pyvo~=1.2
 requests~=2.26
 scipy~=1.7
 scikit-image~=0.18