Add image for releasing Pony related Emacs modes #64

Job	Run time
Validate release Docker image builds	13s
Validate release Docker image builds	5s
Lint bash, docker, markdown, and yaml	1m 4s
Validate release-a-library Docker image builds	20s
Validate x86-64-unknown-linux-builder Docker image builds	19s
Validate x86-64-unknown-linux-builder-with-libressl-3.7.2 Docker image builds	3m 58s
Validate x86-64-unknown-linux-builder-with-libressl-3.7.3 Docker image builds	3m 51s
Validate x86-64-unknown-linux-builder-with-openssl_1.1.1w Docker image builds	3m 14s
Validate x86-64-unknown-linux-builder-with-openssl_3.1.0 Docker image builds	8m 5s
Validate x86-64-unknown-linux-builder-with-openssl_1.1.1t Docker image builds	3m 19s
Validate x86-64-unknown-linux-builder-with-openssl_3.1.3 Docker image builds	8m 5s
Validate x86-64-unknown-linux-builder-with-pcre Docker image builds	18s
	32m 51s

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