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**Describe the feature**:

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**Elasticsearch version**:

**Plugins installed**: []

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**OS version** (`uname -a` if on a Unix-like system):

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**Describe the feature**:

<!-- Bug report -->

**Elasticsearch version** (`bin/elasticsearch --version`):

**Plugins installed**: []

**JVM version** (`java -version`):

**OS version** (`uname -a` if on a Unix-like system):

**Description of the problem including expected versus actual behavior**:

**Steps to reproduce**:

Please include a *minimal* but *complete* recreation of the problem, including
(e.g.) index creation, mappings, settings, query etc.  The easier you make for
us to reproduce it, the more likely that somebody will take the time to look at it.

 1.
 2.
 3.

**Provide logs (if relevant)**:


Add version command to issue template
Add version command to issue template

This commit adds a hint to use the Elasticsearch --version flag to
produce the requested version information.
