feat: add token prefixes to session and logout tokens

[aeneasr]

This feature adds token prefixes to Ory session and logout tokens:

• ory_st_: Ory session token prefix
• ory_lt_: Logout token prefix

Related issue(s)

Checklist

• I have read the contributing guidelines.
• I have referenced an issue containing the design document if my change
  introduces a new feature.
• I am following the
  contributing code guidelines.
• I have read the security policy.
• I confirm that this pull request does not address a security
  vulnerability. If this pull request addresses a security vulnerability, I
  confirm that I got the approval (please contact
  security@ory.sh) from the maintainers to push
  the changes.
• I have added tests that prove my fix is effective or that my feature
  works.
• I have added or changed the documentation.

Further Comments

[codecov]

Codecov Report

Merging #3132 (ca79562) into master (e260fcf) will increase coverage by 0.02%.
The diff coverage is 76.47%.

❗ Current head ca79562 differs from pull request most recent head cc7a9d3. Consider uploading reports for the commit cc7a9d3 to get more accurate results

@@            Coverage Diff             @@
##           master    #3132      +/-   ##
==========================================
+ Coverage   77.64%   77.67%   +0.02%     
==========================================
  Files         317      317              
  Lines       20009    20014       +5     
==========================================
+ Hits        15536    15545       +9     
+ Misses       3284     3280       -4     
  Partials     1189     1189              

Impacted Files	Coverage Δ
selfservice/flow/verification/flow.go	92.00% <ø> (ø)
selfservice/flow/verification/handler.go	63.02% <ø> (ø)
selfservice/strategy/oidc/strategy_registration.go	64.81% <63.15%> (ø)
selfservice/flow/registration/hook.go	82.11% <66.66%> (ø)
selfservice/flow/login/handler.go	78.87% <71.42%> (ø)
selfservice/strategy/oidc/strategy.go	63.47% <71.42%> (ø)
cmd/clidoc/main.go	67.90% <100.00%> (ø)
identity/handler.go	85.77% <100.00%> (ø)
selfservice/flow/registration/error.go	69.84% <100.00%> (ø)
session/manager_http.go	75.92% <100.00%> (ø)
... and 2 more

... and 4 files with indirect coverage changes

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