Update yourls

Changes:

- 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

@@ -6,15 +6,15 @@ 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
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
-GitCommit: fe07662938efe12d7c8c82bea32d1d34874d0665
+GitCommit: 45b26cea70ee2b9a76fe5d10edd8d115ed283b6b
 Directory: apache
 
 Tags: 1.7.9-fpm, 1.7-fpm, 1-fpm, fpm
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
-GitCommit: fe07662938efe12d7c8c82bea32d1d34874d0665
+GitCommit: 45b26cea70ee2b9a76fe5d10edd8d115ed283b6b
 Directory: fpm
 
 Tags: 1.7.9-fpm-alpine, 1.7-fpm-alpine, 1-fpm-alpine, fpm-alpine
 Architectures: amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: fe07662938efe12d7c8c82bea32d1d34874d0665
+GitCommit: 45b26cea70ee2b9a76fe5d10edd8d115ed283b6b
 Directory: fpm-alpine