🐛 Allowlist GitHub pull request URLs for check-links presubmit (#33448)
🐛 Allowlist GitHub pull request URLs for check-links presubmit (#33448)

* Allowlist GitHub pull request URLs for check-links presubmit

* Allow issue URLs too
smartadserver/amphtml,Gregable/amphtml,prateekbh/amphtml,rsimha-amp/amphtml,media-net/amphtml,rsimha-amp/amphtml,prateekbh/amphtml,media-net/amphtml,ampproject/amphtml,alanorozco/amphtml,smartadserver/amphtml,Gregable/amphtml,jpettitt/amphtml,jpettitt/amphtml,smartadserver/amphtml,honeybadgerdontcare/amphtml,danielrozenberg/amphtml,jpettitt/amphtml,danielrozenberg/amphtml,Gregable/amphtml,sharethrough/amphtml,jridgewell/amphtml,nexxtv/amphtml,alanorozco/amphtml,mhc-gh/amphtml,Gregable/amphtml,media-net/amphtml,prateekbh/amphtml,smartadserver/amphtml,honeybadgerdontcare/amphtml,prateekbh/amphtml,danielrozenberg/amphtml,danielrozenberg/amphtml,prateekbh/amphtml,Gregable/amphtml,jridgewell/amphtml,prateekbh/amphtml,ampproject/amphtml,honeybadgerdontcare/amphtml,sharethrough/amphtml,Gregable/amphtml,nexxtv/amphtml,danielrozenberg/amphtml,jpettitt/amphtml,ampproject/amphtml,media-net/amphtml,alanorozco/amphtml,sharethrough/amphtml,alanorozco/amphtml,media-net/amphtml,danielrozenberg/amphtml,smartadserver/amphtml,nexxtv/amphtml,danielrozenberg/amphtml,alanorozco/amphtml,alanorozco/amphtml,jpettitt/amphtml,nexxtv/amphtml,jridgewell/amphtml,honeybadgerdontcare/amphtml,mhc-gh/amphtml,jpettitt/amphtml,ampproject/amphtml,mhc-gh/amphtml,jpettitt/amphtml,nexxtv/amphtml,honeybadgerdontcare/amphtml,mhc-gh/amphtml,mhc-gh/amphtml,honeybadgerdontcare/amphtml,rsimha-amp/amphtml,ampproject/amphtml,nexxtv/amphtml,rsimha-amp/amphtml,prateekbh/amphtml,Gregable/amphtml,ampproject/amphtml,rsimha-amp/amphtml,ampproject/amphtml,rsimha-amp/amphtml,honeybadgerdontcare/amphtml,mhc-gh/amphtml,jridgewell/amphtml,media-net/amphtml,danielrozenberg/amphtml,Gregable/amphtml,mhc-gh/amphtml,sharethrough/amphtml,alanorozco/amphtml,sharethrough/amphtml,nexxtv/amphtml,sharethrough/amphtml,media-net/amphtml,rsimha-amp/amphtml,smartadserver/amphtml,alanorozco/amphtml,jpettitt/amphtml,media-net/amphtml,mhc-gh/amphtml,ampproject/amphtml,jridgewell/amphtml,jridgewell/amphtml,jridgewell/amphtml