Handle 6.3 release (#17)

* Handle 6.3 release

* Fix checking for 6.3

Author: marcprux

.github/workflows/test-action.yml

@@ -12,7 +12,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ['ubuntu-24.04', 'macos-15-intel']
-        swift-version: ['6.2', 'nightly-6.3', 'nightly-main']
+        swift-version: ['6.2', '6.3', 'nightly-6.3', 'nightly-main']
         ndk-version: ['27', 'latest']
     steps:
       - name: Checkout Action

action.yml

@@ -232,7 +232,7 @@ runs:
           # trim the preceeding "swift-" from the beginning, because
           # we add it back in the SWIFT_VERSION_ID
           SWIFT_VERSION="${snapshot_tag//swift-/}"
-        else
+        elif [[ "${SWIFT_VERSION}" == 6.2* ]]; then
           # match "6.0" to "6.0.3"
           # DO NOT match "6.1" to "6.1-DEVELOPMENT-SNAPSHOT-2025-03-07-a"
           SWIFT_VERSION=$(cat ${SWIFT_VERSIONS_FILE} | ( grep -v -- '-SNAPSHOT' || true ) | ( grep -- "^${SWIFT_VERSION}" || true ) | head -n 1)