Replace nebula-publishing for maven-publish, remove bintray release action

.github/workflows/release-to-bintray.yml

@@ -1,29 +0,0 @@
-name: Release to Bintray
-on:
-  push:
-    tags:
-      - v[0-9].[0-9]+.[0-9]+
-jobs:
-  build:
-    runs-on: ubuntu-18.04
-    steps:
-      - uses: actions/checkout@v2
-      - name: Get the version
-        id: get_version
-        run: echo ::set-output name=VERSION::${GITHUB_REF/refs\/tags\/v/}
-      - uses: actions/setup-java@v1
-        with:
-          java-version: 8
-      - name: Build and publish to local maven
-        run: ./gradlew -Prelease.useLastTag=true release publishToMavenLocal --info
-      - name: Zip and publish to Bintray
-        run: |
-          cd ~/.m2/repository
-          zip release.zip org/openrndr/extra/*/${{ steps.get_version.outputs.VERSION }}/*
-          curl -u ${{ secrets.BINTRAY_USER }}:${{ secrets.BINTRAY_KEY }} -X PUT https://api.bintray.com/content/openrndr/openrndr/ \
-            -H "X-Bintray-Package:orx" \
-            -H "X-Bintray-Version:${{ steps.get_version.outputs.VERSION }}" \
-            -H "X-Bintray-Publish:1" \
-            -H "X-Bintray-Override:1" \
-            -H "X-Bintray-Explode:1" \
-            -T release.zip

.github/workflows/release-to-maven-central.yml

@@ -0,0 +1,27 @@
+name: Release to Bintray
+on:
+  push:
+    tags:
+      - v[0-9].[0-9]+.[0-9]+
+jobs:
+  build:
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+      - name: Get the version
+        id: get_version
+        run: echo ::set-output name=VERSION::${GITHUB_REF/refs\/tags\/v/}
+      - uses: actions/setup-java@v1
+        with:
+          java-version: 8
+      - name: Build and publish to local maven
+        run: ./gradlew -Prelease.useLastTag=true build
+      - name: Decode
+        run: |
+          echo "${{secrets.SIGNING_SECRET_KEY_RING_FILE}}" > ~/.gradle/secring.gpg.b64
+          base64 -d ~/.gradle/secring.gpg.b64 > ~/.gradle/secring.gpg
+      - name: Publish
+        run: ./gradlew publish -Prelease.useLastTag=true -Psigning.keyId=${{secrets.SIGNING_KEY_ID}} -Psigning.password=${{secrets.SIGNING_KEY_PASSWORD}} -Psigning.secretKeyRingFile=$(echo ~/.gradle/secring.gpg)
+        env:
+          OSSRH_USERNAME: ${{secrets.OSSRH_USERNAME}}
+          OSSRH_PASSWORD: ${{secrets.OSSRH_PASSWORD}}