Add Moodle 3.9 versions (Moodle and Workplace) information

src/org/moodle/ci/versions/M39.groovy

+package org.moodle.ci.versions;
+
+class M39 extends Version {
+    M39() {
+        this.name = "39"
+        this.defaultBranch = "MOODLE_39_STABLE"
+        this.supportedPHPVersions = [
+            "7.2",
+            "7.3",
+            "7.4",
+        ]
+        this.supportedDatabases = [
+            "pgsql",
+            "mysqli",
+            "mariadb",
+            "sqlsrv",
+            "oci",
+        ]
+    }
+}

src/org/moodle/ci/versions/WP39.groovy

+package org.moodle.ci.versions;
+
+class WP39 extends Version {
+    WP39() {
+        this.name = "39"
+        this.defaultBranch = "WORKPLACE_39_LATEST"
+        this.supportedPHPVersions = [
+            "7.2",
+            "7.3",
+            "7.4",
+        ]
+        this.supportedDatabases = [
+            "pgsql",
+            "mysqli",
+            "mariadb",
+            "sqlsrv",
+            "oci",
+        ]
+    }
+}

test/org/moodle/ci/versions/M39.groovy

+package test.org.moodle.ci.versions;
+
+import spock.lang.Specification
+
+class M39 extends Specification {
+    def "getDefaultBranch returns MOODLE_39_STABLE"() {
+        given:
+        def moodleVersion = new org.moodle.ci.versions.M39()
+
+        when:
+        def output = moodleVersion.getDefaultBranch()
+
+        then:
+        assert output == "MOODLE_39_STABLE"
+    }
+
+    def "defaultBranch returns MOODLE_39_STABLE"() {
+        given:
+        def moodleVersion = new org.moodle.ci.versions.M39()
+
+        when:
+        def output = moodleVersion.defaultBranch
+
+        then:
+        assert output == "MOODLE_39_STABLE"
+    }
+
+    def "getPhpVersions"() {
+        given:
+        def moodleVersion = new org.moodle.ci.versions.M39()
+
+        when:
+        def output = moodleVersion.getPhpVersions()
+
+        then:
+        assert output.sort() == ['7.2', '7.3', '7.4'].sort()
+    }
+
+    def "getHighestSupportedVersion is 7.4"() {
+        given:
+        def moodleVersion = new org.moodle.ci.versions.M39()
+
+        when:
+        def output = moodleVersion.getHighestSupportedVersion()
+
+        then:
+        assert output == '7.4'
+    }
+
+    def "getLowestSupportedVersion is 7.2"() {
+        given:
+        def moodleVersion = new org.moodle.ci.versions.M39()
+
+        when:
+        def output = moodleVersion.getLowestSupportedVersion()
+
+        then:
+        assert output == '7.2'
+    }
+
+    def "getDatabases"() {
+        given:
+        def moodleVersion = new org.moodle.ci.versions.M39()
+
+        when:
+        def output = moodleVersion.getDatabases()
+
+        then:
+        assert output.sort() == [
+                "mariadb",
+                "mysqli",
+                "oci",
+                "pgsql",
+                "sqlsrv",
+            ].sort()
+    }
+
+    def "name matches"() {
+        given:
+        def moodleVersion = new org.moodle.ci.versions.M39()
+
+        when:
+        def output = moodleVersion.name
+
+        then:
+        assert output == "39"
+    }
+}

test/org/moodle/ci/versions/WP39.groovy

+package test.org.moodle.ci.versions;
+
+import spock.lang.Specification
+
+class WP39 extends Specification {
+    def "getDefaultBranch returns WORKPLACE_39_LATEST"() {
+        given:
+        def workplaceVersion = new org.moodle.ci.versions.WP39()
+
+        when:
+        def output = workplaceVersion.getDefaultBranch()
+
+        then:
+        assert output == "WORKPLACE_39_LATEST"
+    }
+
+    def "defaultBranch returns WORKPLACE_39_LATEST"() {
+        given:
+        def workplaceVersion = new org.moodle.ci.versions.WP39()
+
+        when:
+        def output = workplaceVersion.defaultBranch
+
+        then:
+        assert output == "WORKPLACE_39_LATEST"
+    }
+
+    def "getPhpVersions"() {
+        given:
+        def workplaceVersion = new org.moodle.ci.versions.WP39()
+
+        when:
+        def output = workplaceVersion.getPhpVersions()
+
+        then:
+        assert output.sort() == ['7.2', '7.3', '7.4'].sort()
+    }
+
+    def "getHighestSupportedVersion is 7.4"() {
+        given:
+        def workplaceVersion = new org.moodle.ci.versions.WP39()
+
+        when:
+        def output = workplaceVersion.getHighestSupportedVersion()
+
+        then:
+        assert output == '7.4'
+    }
+
+    def "getLowestSupportedVersion is 7.2"() {
+        given:
+        def workplaceVersion = new org.moodle.ci.versions.WP39()
+
+        when:
+        def output = workplaceVersion.getLowestSupportedVersion()
+
+        then:
+        assert output == '7.2'
+    }
+
+    def "getDatabases"() {
+        given:
+        def workplaceVersion = new org.moodle.ci.versions.WP39()
+
+        when:
+        def output = workplaceVersion.getDatabases()
+
+        then:
+        assert output.sort() == [
+                "mariadb",
+                "mysqli",
+                "oci",
+                "pgsql",
+                "sqlsrv",
+            ].sort()
+    }
+
+    def "name matches"() {
+        given:
+        def workplaceVersion = new org.moodle.ci.versions.WP39()
+
+        when:
+        def output = workplaceVersion.name
+
+        then:
+        assert output == "39"
+    }
+}