oauth2_proxy 7.6.0

[BrewTestBot]

Created by brew bump

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Created with brew bump-formula-pr.

release notes

## Release Highlights
Important Notes
Breaking Changes
Changes since v7.5.1

#2381 Allow username authentication to Redis cluster (@rossigee)
#2345 Log error details when failed loading CSRF cookie (@charvadzo)
#2128 Update dependencies (@vllvll)
#2269 Added Azure China (and other air gaped cloud) support (@mblaschke)
#2237 adds an option to append CA certificates (@emsixteeen)
#2128 Update dependencies (@vllvll)
#2239 Add possibility to encode the state param as UrlEncodedBase64 (@brezinajn)
#2274 Upgrade golang.org/x/net to v0.17.0 (@pierluigilenoci)
#2278 Improve the Nginx auth_request example (@akunzai)
#2282 Fixed checking Google Groups membership using Google Application Credentials (@kvanzuijlen)
#2183 Allowing relative redirect url though an option (@axel7083)
#1866 Add support for unix socker as upstream (@babs)
#1876 Add --backend-logout-url with {id_token} placeholder (@babs)
#1949 Allow cookie names with dots in redis sessions (@miguelborges99)
#2297 Add nightly build and push (@tuunit)
#2329 Add an option to skip request to profile URL for resolving missing claims in id_token (@nilsgstrabo)
#2299 bugfix: OIDCConfig based providers are not respecting flags and configs (@tuunit)
#2343 chore: Added checksums for .tar.gz (@kvanzuijlen)
#2248 Added support for semicolons in query strings. (@timwsuqld)
#2196 Add GitHub groups (orgs/teams) support. Including X-Forwarded-Groups header (@tuunit)
#2371 Remove nsswitch DNS resolution workaround (@tuunit)
#2295 Change base-image to GoogleContainerTools/distroless (@kvanzuijlen)
#2356 Update go-jose dependency (@dasvh)
#2357 Update ojg to latest release (@bitfehler)
#1922 Added support for env variables in the alpha struct (@hevans-dglcom)
#2235 Bump golang to 1.21 and min allowed version to 1.20 (@tuunit)

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