Bump ubuntu from `e3f92ab` to `2e863c4` in /Docker/Linux

[dependabot[bot]]

Bumps ubuntu from e3f92ab to 2e863c4.

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[coveralls]

coverage: 95.339%. remained the same when pulling 8254f26ee01c96d34f94ec6da420bd2eb958efc2 on dependabot/docker/Docker/Linux/ubuntu-2e863c4 into 252ec2cf2283d765b0f6da4da5ace8a5979bb92e on main.

[coveralls]

coverage: 95.147% (-0.2%) from 95.339% when pulling b1b40c1f0911e6ebc21418a98002ebdc362223ad on dependabot/docker/Docker/Linux/ubuntu-2e863c4 into d5b750c59466160f78cdd53e08d6c4bfea159bca on main.