Update activemodel requirement from ~> 4.2.5.1 to ~> 7.0.3.1

[dependabot[bot]]

Updates the requirements on activemodel to permit the latest version.

Changelog

Sourced from activemodel's changelog.

Rails 7.0.3.1 (July 12, 2022)

• No changes.

Rails 7.0.3 (May 09, 2022)

• No changes.

Rails 7.0.2.4 (April 26, 2022)

• No changes.

Rails 7.0.2.3 (March 08, 2022)

• No changes.

Rails 7.0.2.2 (February 11, 2022)

• No changes.

Rails 7.0.2.1 (February 11, 2022)

• No changes.

Rails 7.0.2 (February 08, 2022)

• Use different cache namespace for proxy calls

  Models can currently have different attribute bodies for the same method names, leading to conflicts. Adding a new namespace :active_model_proxy fixes the issue.

  Chris Salzberg

Rails 7.0.1 (January 06, 2022)

• No changes.

Rails 7.0.0 (December 15, 2021)

• No changes.

... (truncated)

Commits

• 04972d9 Preparing for 7.0.3.1 release
• 0c68c1f updating version and changelog
• 3872bc0 Preparing for 7.0.3 release
• c204039 Merge branch '7-0-sec' into 7-0-stable
• 3520cc7 Preparing for 7.0.2.4 release
• f2f7900 updating changelog for release
• 89dd6f5 Merge pull request #44850 from kamipo/preserve_kwargs_flag
• 21efc51 Merge pull request #44770 from kevindew/attribute-names-optimisation
• 2cf820d Merge pull request #44693 from ghousemohamed/fix-docs-related-gem-versions
• e1c01ba Merge branch '7-0-sec' into 7-0-stable
• Additional commits viewable in compare view

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