Add PERSISTENT_TIMEOUT option (#11756)
Add PERSISTENT_TIMEOUT option (#11756)

Add environment variable to so `persistent_timeout` option of puma can be changed.
pinfort/mastodon,maa123/mastodon,masto-donte-com-br/mastodon,Ryanaka/mastodon,Ryanaka/mastodon,abcang/mastodon,Ryanaka/mastodon,tootcafe/mastodon,musashino205/mastodon,primenumber/mastodon,masto-donte-com-br/mastodon,tootsuite/mastodon,dunn/mastodon,ikuradon/mastodon,lindwurm/mastodon,Ryanaka/mastodon,lynlynlynx/mastodon,abcang/mastodon,lindwurm/mastodon,h3zjp/mastodon,kirakiratter/mastodon,theoria24/mastodon,glitch-soc/mastodon,theoria24/mastodon,danhunsaker/mastodon,5thfloor/ichiji-social,pinfort/mastodon,d6rkaiz/mastodon,imas/mastodon,d6rkaiz/mastodon,Kirishima21/mastodon,theoria24/mastodon,yukimochi/mastodon,primenumber/mastodon,abcang/mastodon,rainyday/mastodon,dunn/mastodon,d6rkaiz/mastodon,ykzts/mastodon,tootcafe/mastodon,dunn/mastodon,danhunsaker/mastodon,glitch-soc/mastodon,koba-lab/mastodon,kazh98/social.arnip.org,yukimochi/mastodon,koba-lab/mastodon,glitch-soc/mastodon,yi0713/mastodon,lynlynlynx/mastodon,kazh98/social.arnip.org,tootsuite/mastodon,imas/mastodon,musashino205/mastodon,tri-star/mastodon,im-in-space/mastodon,primenumber/mastodon,5thfloor/ichiji-social,imas/mastodon,imas/mastodon,tootcafe/mastodon,tootcafe/mastodon,kirakiratter/mastodon,gol-cha/mastodon,Nyoho/mastodon,gol-cha/mastodon,cobodo/mastodon,dunn/mastodon,sylph-sin-tyaku/mastodon,Kirishima21/mastodon,ikuradon/mastodon,kirakiratter/mastodon,yukimochi/mastodon,tootsuite/mastodon,ikuradon/mastodon,h3zjp/mastodon,lynlynlynx/mastodon,im-in-space/mastodon,masto-donte-com-br/mastodon,kazh98/social.arnip.org,h3zjp/mastodon,kazh98/social.arnip.org,gol-cha/mastodon,yukimochi/mastodon,lindwurm/mastodon,tri-star/mastodon,primenumber/mastodon,5thfloor/ichiji-social,cobodo/mastodon,cobodo/mastodon,sylph-sin-tyaku/mastodon,koba-lab/mastodon,masto-donte-com-br/mastodon,ikuradon/mastodon,kirakiratter/mastodon,Nyoho/mastodon,tri-star/mastodon,koba-lab/mastodon,5thfloor/ichiji-social,theoria24/mastodon,maa123/mastodon,Kirishima21/mastodon,musashino205/mastodon,tri-star/mastodon,tootsuite/mastodon,cobodo/mastodon,yi0713/mastodon,im-in-space/mastodon,MitarashiDango/mastodon,pinfort/mastodon,danhunsaker/mastodon,danhunsaker/mastodon,lynlynlynx/mastodon,Kirishima21/mastodon,d6rkaiz/mastodon,maa123/mastodon,Nyoho/mastodon,MitarashiDango/mastodon,im-in-space/mastodon,MitarashiDango/mastodon,h3zjp/mastodon,yi0713/mastodon,glitch-soc/mastodon,pinfort/mastodon,yi0713/mastodon,rainyday/mastodon,MitarashiDango/mastodon,ykzts/mastodon,rainyday/mastodon,musashino205/mastodon,maa123/mastodon,lindwurm/mastodon,gol-cha/mastodon,sylph-sin-tyaku/mastodon,sylph-sin-tyaku/mastodon,ykzts/mastodon,rainyday/mastodon,Nyoho/mastodon,abcang/mastodon,ykzts/mastodon