Update dependency rails to v3.2.15 - autoclosed

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This PR contains the following updates:

Package	Update	Change
rails	minor	'3.0.7' -> '3.2.15'

By merging this PR, the issue #44 will be automatically resolved and closed:

Severity	CVSS Score	CVE
High	7.5	CVE-2016-0751
High	7.5	CVE-2016-0752
High	7.3	CVE-2011-2930
High	7.3	CVE-2016-2098
Medium	6.5	CVE-2010-3299
Medium	6.5	CVE-2020-8167
Medium	6.1	CVE-2023-28120
Medium	5.3	CVE-2016-2097
Low	3.7	CVE-2011-2197
Low	3.7	CVE-2011-2931
Low	3.7	CVE-2011-2932
Low	3.7	CVE-2011-4319
Low	3.7	CVE-2012-1098
Low	3.7	CVE-2012-1099
Low	3.7	CVE-2013-4389

---

• [ ] If you want to rebase/retry this PR, check this box

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⚠ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: Gemfile.lock

installing v2 tool bundler v2.4.8
linking tool bundler v2.4.8

/usr/local/buildpack/utils/linking.sh: line 18: /usr/local/bin/bundler: Permission denied