Bump actions/checkout from v2 to v3

[nelsonni]

Bumps actions/checkout from v2 to v3. Resolves #972.

Release notes

Sourced from actions/checkout's releases.

v3.1.0

v3.1.0

What's Changed

• Inject GitHub host to be able to clone from another GitHub instance by @peter-murray in #922
• Bump @actions/core to 1.10.0 by @rentziass in #939

New Contributors

• @peter-murray made their first contribution in #922
• @rentziass made their first contribution in #939

v3.0.2

v3.0.2

What's Changed

• Add set-safe-directory input to allow customers to take control. by @TingluoHuang in #770
• Prepare changelog for v3.0.2. by @TingluoHuang in #777

v3.0.1

v3.0.1

• Fixed an issue where checkout failed to run in container jobs due to the new git setting safe.directory
• Bumped various npm package versions

v3.0.0

v3.0.0

• Updated to the node16 runtime by default
  • This requires a minimum Actions Runner version of v2.285.0 to run, which is by default available in GHES 3.4 or later.

Full Changelog: v3...v3.1.0

Changelog

Sourced from actions/checkout's changelog.

v3.1.0

• Use @actions/core saveState and getState
• Add github-server-url input

v3.0.2

• Add input set-safe-directory

v3.0.1

• Fixed an issue where checkout failed to run in container jobs due to the new git setting safe.directory
• Bumped various npm package versions

v3.0.0

• Update to node 16

Commits

• 93ea575 Prepare release v3.1.0 (#940)
• 6a84743 Bump @actions/core to 1.10.0 (#939)
• e6d535c Inject GitHub host to be able to clone from another GitHub instance (#922)
• 2541b12 Prepare changelog for v3.0.2. (#777)
• 0ffe6f9 Add set-safe-directory input to allow customers to take control. (#770)
• dcd71f6 Enforce safe directory (#762)
• add3486 Patch to fix the dependbot alert. (#744)
• 5126516 Bump minimist from 1.2.5 to 1.2.6 (#741)
• d50f8ea Add v3.0 release information to changelog (#740)
• 2d1c119 update test workflows to checkout v3 (#709)
• Additional commits viewable in compare view

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