snap: fix regex to support option values with whitespaces

[russoz]

SUMMARY

Allow whitespaces in options' values.

Fixes #5466

ISSUE TYPE

• Bugfix Pull Request

COMPONENT NAME

plugins/modules/snap.py

[ansibullbot]

cc @angristan @vcarceler
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[patchback]

Backport to stable-5: 💚 backport PR created

✅ Backport PR branch: patchback/backports/stable-5/8fb2228125113782b6d87da03a016a9e01079f06/pr-5475

Backported as #5479

🤖 @patchback
I'm built with octomachinery and
my source is open — https://github.com/sanitizers/patchback-github-app.

[felixfontein]

@russoz thanks for fixing this!

[patchback]

Backport to stable-4: 💔 cherry-picking failed — conflicts found

❌ Failed to cleanly apply 8fb2228 on top of patchback/backports/stable-4/8fb2228125113782b6d87da03a016a9e01079f06/pr-5475

Backporting merged PR #5475 into main

1. Ensure you have a local repo clone of your fork. Unless you cloned it
   from the upstream, this would be your origin remote.
2. Make sure you have an upstream repo added as a remote too. In these
   instructions you'll refer to it by the name upstream. If you don't
   have it, here's how you can add it:

   $ git remote add upstream https://github.com/ansible-collections/community.general.git

3. Ensure you have the latest copy of upstream and prepare a branch
   that will hold the backported code:

   $ git fetch upstream
   $ git checkout -b patchback/backports/stable-4/8fb2228125113782b6d87da03a016a9e01079f06/pr-5475 upstream/stable-4

4. Now, cherry-pick PR snap: fix regex to support option values with whitespaces #5475 contents into that branch:

   $ git cherry-pick -x 8fb2228125113782b6d87da03a016a9e01079f06

   If it'll yell at you with something like fatal: Commit 8fb2228125113782b6d87da03a016a9e01079f06 is a merge but no -m option was given., add -m 1 as follows intead:

   $ git cherry-pick -m1 -x 8fb2228125113782b6d87da03a016a9e01079f06

5. At this point, you'll probably encounter some merge conflicts. You must
   resolve them in to preserve the patch from PR snap: fix regex to support option values with whitespaces #5475 as close to the
   original as possible.
6. Push this branch to your fork on GitHub:

   $ git push origin patchback/backports/stable-4/8fb2228125113782b6d87da03a016a9e01079f06/pr-5475

7. Create a PR, ensure that the CI is green. If it's not — update it so that
   the tests and any other checks pass. This is it!
   Now relax and wait for the maintainers to process your pull request
   when they have some cycles to do reviews. Don't worry — they'll tell you if
   any improvements are necessary when the time comes!

🤖 @patchback
I'm built with octomachinery and
my source is open — https://github.com/sanitizers/patchback-github-app.

[github-actions]

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