feat: support exporting of all credential types

[aeneasr]

Closes https://github.com/ory-corp/cloud/issues/4484

[codecov]

Codecov Report

Merging #3290 (331041b) into master (5535fcb) will decrease coverage by 0.73%.
The diff coverage is 86.66%.

❗ Current head 331041b differs from pull request most recent head b7382f3. Consider uploading reports for the commit b7382f3 to get more accurate results

@@            Coverage Diff             @@
##           master    #3290      +/-   ##
==========================================
- Coverage   78.43%   77.71%   -0.73%     
==========================================
  Files         326      325       -1     
  Lines       21269    20513     -756     
==========================================
- Hits        16683    15942     -741     
+ Misses       3368     3355      -13     
+ Partials     1218     1216       -2     

Impacted Files	Coverage Δ
identity/identity.go	92.00% <81.81%> (+0.24%)	⬆️
identity/handler.go	86.20% <84.61%> (+0.14%)	⬆️
examples/go/identity/get/main.go	75.00% <100.00%> (ø)
identity/credentials.go	83.67% <100.00%> (+5.89%)	⬆️

... and 9 files with indirect coverage changes