RFR: 8282944: GHA: Add Alpine Linux x86_64 pre-integration check [v2]

[George Adams]

> Adds Alpine build CI job to the GitHub actions submit.yml. I can add tests too if people think that would be useful but for now I've left it as just build.

George Adams has updated the pull request incrementally with one additional commit since the last revision:

  change upload bundle ID

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/7771/files
  - new: https://git.openjdk.java.net/jdk/pull/7771/files/9a8aa61e..7bc055c4

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=7771&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=7771&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7771.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7771/head:pull/7771

PR: https://git.openjdk.java.net/jdk/pull/7771