chore(deps): bump actions/setup-java from v1 to v2

Created by: dependabot[bot]

Bumps actions/setup-java from v1 to v2.

Commits

• 8764a52 Rename v2-preview to v2 in docs and tests (#151)
• b53500d Merge "v2-preview" branch into "main" (#150)
• ebb424f Beatify "main" warning about breaking changes (#144)
• 9c7940b Add breaking change warning to 'main' branch (#138)
• fc62cca V2 setup-java ADR (#97)
• e73e96a Merge pull request #131 from actions/v-malob/update-codeowners
• ea31b1d Update CODEOWNERS
• ff0054d Merge pull request #123 from dmitry-shibanov/fix-documentation-for-gpg-import...
• 81290cd change imported to exported
• 546dae7 Merge pull request #122 from dmitry-shibanov/update-docs-for-maven-and-gpg
• Additional commits viewable in compare view

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