update actions [skip ci]

Modify Icinga installation method in Dockerfile for arm32v7 [skip ci]

Update Icinga installation method in Dockerfile arm64v8 [skip ci]

Merge pull request #313 from StefanWetterActiware/master

apt-key is deprecated

Merge pull request #310 from conFrituur/bcryptHash

Replaced ICINGAWEB2_ADMIN_PASS MD5 hash function with default PHP bcrypt

Update README.md

Update README.md

Update README.md

Update README.md

Merge pull request #304 from jjethwa/bookworm

Update Dockerfile.arm64v8

Update Dockerfile.arm32v7

Update Dockerfile