Update yourls

Changes:

- YOURLS/containers@cb25497: Use PHP 8.0
- YOURLS/containers@3b766d4: Move ENV_FILE usage to config file
- YOURLS/containers@4d53a3e: Update to 1.8
- YOURLS/containers@bdcc470: Update README.md
- YOURLS/containers@5997d36: Support more platform with QEMU
- YOURLS/containers@d2e5a89: Prefer BCMath over GMP
- YOURLS/containers@d1abb37: Add GMP extension to the PHP env
- YOURLS/containers@0490beb: Fix related repository
- YOURLS/containers@ca44fa1: Build variants
- YOURLS/containers@a5f0614: Add initial GitHub Actions for Container Registry
- YOURLS/containers@06cd297: Bump actions/checkout from v2.3.3 to v2.3.4
- YOURLS/containers@faa119e: Bump actions/checkout from v2.3.2 to v2.3.3
- YOURLS/containers@22ee2ef: Bump actions/checkout from v2.3.1 to v2.3.2
- YOURLS/containers@45b26ce: Update to 1.7.9
- YOURLS/containers@e0b94b1: Allow using docker secrets for env variables (YOURLS/containers#57)
- YOURLS/containers@a8e13b5: Bump actions/checkout from v2.3.0 to v2.3.1
- YOURLS/containers@1ab4077: Bump actions/checkout from v2.2.0 to v2.3.0
- YOURLS/containers@de05e1f: Update dependabot.yml
- YOURLS/containers@06cf288: Bump actions/checkout from v1 to v2.2.0
- YOURLS/containers@e002ec4: Create Dependabot config file
- YOURLS/containers@fe07662: update PHP version and ran update.sh

library/yourls

@@ -4,17 +4,17 @@ Maintainers: YOURLS <[email protected]> (@YOURLS),
              Léo Colombaro <[email protected]> (@LeoColomb)
 GitRepo: https://github.com/YOURLS/docker-yourls.git
 
-Tags: 1.7.9-apache, 1.7-apache, 1-apache, apache, 1.7.9, 1.7, 1, latest
+Tags: 1.8-apache, 1-apache, apache, 1.8, 1, latest
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
-GitCommit: fe07662938efe12d7c8c82bea32d1d34874d0665
+GitCommit: cb2549780e6f062993c136d4da74b8463f269534
 Directory: apache
 
-Tags: 1.7.9-fpm, 1.7-fpm, 1-fpm, fpm
+Tags: 1.8-fpm, 1-fpm, fpm
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
-GitCommit: fe07662938efe12d7c8c82bea32d1d34874d0665
+GitCommit: cb2549780e6f062993c136d4da74b8463f269534
 Directory: fpm
 
-Tags: 1.7.9-fpm-alpine, 1.7-fpm-alpine, 1-fpm-alpine, fpm-alpine
+Tags: 1.8-fpm-alpine, 1-fpm-alpine, fpm-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: fe07662938efe12d7c8c82bea32d1d34874d0665
+GitCommit: cb2549780e6f062993c136d4da74b8463f269534
 Directory: fpm-alpine