Issue 1929: Oauth2-proxy v7.4.0 is not using alpine:3.16 as it is wri… (#2013)

* Issue 1929: Oauth2-proxy v7.4.0 is not using alpine:3.16 as it is written in code & updates versions due to fixed CVEs

* Issue 1929: Oauth2-proxy v7.4.0 is not using alpine:3.16 as it is written in code & updates versions due to fixed CVEs

* Fixes CVE-2022-41721 (#1994)

See: https://avd.aquasec.com/nvd/2022/cve-2022-41717/

* update checkout actions (#1981)

* Fix a typo in oauthproxy.go (#2021)

* fix typo (#2001)

* Issue 1929: Oauth2-proxy v7.4.0 is not using alpine:3.16 as it is written in code & updates versions due to fixed CVEs

* Issue 1929: Oauth2-proxy v7.4.0 is not using alpine:3.16 as it is written in code & updates versions due to fixed CVEs

* Issue 1929: Oauth2-proxy v7.4.0 is not using alpine:3.16 as it is written in code & updates versions due to fixed CVEs

* Issue 1929: Oauth2-proxy v7.4.0 is not using alpine:3.16 as it is written in code & updates versions due to fixed CVEs

* Issue 1929: Oauth2-proxy v7.4.0 is not using alpine:3.16 as it is written in code & updates versions due to fixed CVEs

* Issue 1929: Oauth2-proxy v7.4.0 is not using alpine:3.16 as it is written in code & updates versions due to fixed CVEs

* Issue 1929: Oauth2-proxy v7.4.0 is not using alpine:3.16 as it is written in code & updates versions due to fixed CVEs

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Co-authored-by: Nuno Borges <Nuno.Borges@ctw.bmwgroup.com>
Co-authored-by: Jeroen Landheer <jlandheer@bintelligence.nl>
Co-authored-by: Ryuichi Watanabe <ryucrosskey@gmail.com>
Co-authored-by: Ho Kim <ho.kim@ulagbulag.io>
Co-authored-by: Terrell Russell <terrellrussell@gmail.com>