ci-conan: be more explicit about desired compiler in conan profile

[piponazo]

The windows builds suddenly broke in the last hours. It seems to be a conan related problem:

[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=msvc
compiler.runtime_type=Release
compiler.version=193
os=Windows
os_build=Windows
[options]
[build_requires]
[env]

ERROR: : 'settings.compiler.cppstd' value not defined

I recently noticed that the conan profile autodetection started to find as compiler msvc instead of Visual Studio. I had some problems with that in other projects and I decided to keep using old profiles like this one:

[settings]
os=Windows
os_build=Windows
arch=x86_64
arch_build=x86_64
compiler=Visual Studio
compiler.version=17
build_type=Release
[options]
[build_requires]
[env]

So that is what I am proposing here. To use a profile that we know it works for sure. I'll try to find out in the meantime why this change happened in conan and if we should migrate to msvc.

[piponazo]

Aha! There was a bug report in the conan project about this:
conan-io/conan#10364

Now they are detecting again "Visual Studio" on windows + Visual Studio 2022.

I will take this opportunity to upgrade conan to its latest version (1.45.0).

[codecov]

Codecov Report

Merging #2085 (362cad7) into main (f2385a3) will decrease coverage by 0.21%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #2085      +/-   ##
==========================================
- Coverage   62.08%   61.87%   -0.22%     
==========================================
  Files          96       96              
  Lines       19153    19059      -94     
  Branches     9798     9782      -16     
==========================================
- Hits        11891    11792      -99     
- Misses       4967     4984      +17     
+ Partials     2295     2283      -12     

Impacted Files	Coverage Δ
src/safe_op.hpp	69.23% <0.00%> (-27.65%)	⬇️
include/exiv2/slice.hpp	69.64% <0.00%> (-21.89%)	⬇️
include/exiv2/error.hpp	60.71% <0.00%> (-4.81%)	⬇️
src/utils.cpp	38.46% <0.00%> (-1.93%)	⬇️
include/exiv2/value.hpp	82.68% <0.00%> (-0.56%)	⬇️
src/enforce.hpp	75.00% <0.00%> (+2.77%)	⬆️
src/getopt.cpp	67.30% <0.00%> (+5.76%)	⬆️
include/exiv2/metadatum.hpp	88.88% <0.00%> (+16.16%)	⬆️

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