Add required libatomic1 package

Author: Bronek

docker/debian/Dockerfile

@@ -46,6 +46,7 @@ pkgs+=(git)             # Required build tool.
 pkgs+=(gpg)             # Dependency for tools requiring signing or encrypting/decrypting.
 pkgs+=(gpg-agent)       # Dependency for tools requiring signing or encrypting/decrypting.
 pkgs+=(jq)              # JSON manipulation.
+pkgs+=(libatomic1)      # Required by mold linker.
 pkgs+=(libc6-dev)       # Required build tool.
 pkgs+=(ninja-build)     # Required build tool.
 pkgs+=(python3-venv)    # Python environment management tool.

docker/rhel/Dockerfile

@@ -17,7 +17,7 @@ pkgs+=(git)               # Required build tool.
 pkgs+=(gpg)               # Dependency for tools requiring signing or encrypting/decrypting.
 pkgs+=(gnupg2)            # Dependency for tools requiring signing or encrypting/decrypting.
 pkgs+=(jq)                # JSON manipulation.
-pkgs+=(libatomic)         # Required to use mold linker.
+pkgs+=(libatomic)         # Required by mold linker.
 pkgs+=(libstdc++-static)  # Required to statically link libraries into rippled.
 pkgs+=(ninja-build)       # Required build tool.
 pkgs+=(perl-FindBin)      # Required to compile OpenSSL.

docker/ubuntu/Dockerfile

@@ -33,6 +33,7 @@ pkgs+=(git)             # Required build tool.
 pkgs+=(gpg)             # Dependency for tools requiring signing or encrypting/decrypting.
 pkgs+=(gpg-agent)       # Dependency for tools requiring signing or encrypting/decrypting.
 pkgs+=(jq)              # JSON manipulation.
+pkgs+=(libatomic1)      # Required by mold linker.
 pkgs+=(libc6-dev)       # Required build tool.
 pkgs+=(ninja-build)     # Required build tool.
 pkgs+=(python3-venv)    # Python environment management tool.