Stage snapshot deployments similar to how we do in our other projects

Motivation:
The documented approach do not work, so instead lets follow what we do in our other projects and use the staging plugin.

Modification:
Deploy snapshots via local staging instead.

Result:
Maybe this works.

Author: chrisvest

.github/workflows/ci-deploy.yml

@@ -58,5 +58,11 @@ jobs:
           restore-keys: |
             deploy-cache-m2-repository-
 
+      - name: Create local staging directory
+        run: mkdir -p ~/local-staging
+
+      - name: Stage snapshots to local staging directory
+        run: ./mvnw -B -ntp -Pstage-snapshot clean package org.sonatype.plugins:nexus-staging-maven-plugin:deploy -DaltStagingDirectory=$HOME/local-staging
+
       - name: Deploy project
-        run: ./mvnw --file pom.xml clean package org.apache.maven.plugins:maven-deploy-plugin:deploy
+        run: ./mvnw -B -ntp --file pom.xml -Pstage-snapshot org.sonatype.plugins:nexus-staging-maven-plugin:deploy-staged

pom.xml

@@ -273,4 +273,27 @@
             </plugin>
         </plugins>
     </build>
+
+    <profiles>
+        <profile>
+            <id>stage-snapshot</id>
+            <properties>
+                <skipTests>true</skipTests>
+            </properties>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.sonatype.plugins</groupId>
+                        <artifactId>nexus-staging-maven-plugin</artifactId>
+                        <version>1.7.0</version>
+                        <configuration>
+                            <serverId>central-portal-snapshots</serverId>
+                            <nexusUrl>https://central.sonatype.com/repository/maven-snapshots</nexusUrl>
+                            <skipRemoteStaging>true</skipRemoteStaging>
+                        </configuration>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
 </project>